WO2015125332A1 - Cleansing sheet and cleansing composition - Google Patents

Cleansing sheet and cleansing composition Download PDF

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Publication number
WO2015125332A1
WO2015125332A1 PCT/JP2014/075076 JP2014075076W WO2015125332A1 WO 2015125332 A1 WO2015125332 A1 WO 2015125332A1 JP 2014075076 W JP2014075076 W JP 2014075076W WO 2015125332 A1 WO2015125332 A1 WO 2015125332A1
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WO
WIPO (PCT)
Prior art keywords
cleansing
mass
sheet
polyoxyethylene
cleansing composition
Prior art date
Application number
PCT/JP2014/075076
Other languages
French (fr)
Japanese (ja)
Inventor
郁子 桑田
石井　丈晴
Original Assignee
株式会社マンダム
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Publication date
Application filed by 株式会社マンダム filed Critical 株式会社マンダム
Priority to JP2016503922A priority Critical patent/JP6163252B2/en
Publication of WO2015125332A1 publication Critical patent/WO2015125332A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/14—Preparations for removing make-up

Definitions

  • the present invention relates to a cleansing sheet and a cleansing composition.
  • Cleansing cosmetics using a cleansing composition for removing makeup and the like are widely known.
  • the use of cleansing sheets obtained by impregnating a sheet base material with a cleansing composition has been increasing.
  • cleansing cosmetics may have poor antiseptic performance.
  • the cleansing composition before impregnating the sheet base material exhibits an excellent antiseptic effect, but the cleansing sheet obtained by impregnating the cleansing composition with the sheet base material has a remarkable antiseptic effect. There is a problem that the antiseptic effect is not sufficiently exhibited.
  • the cleansing composition impregnated into the sheet base material has a relatively large amount of ethanol having the antibacterial effect and the antiseptic effect. It is blended.
  • the cleansing composition has a problem that it is difficult to achieve both high cleansing power and excellent antiseptic effect.
  • cleansing sheets that achieve both high cleansing power and excellent antiseptic effect have been obtained. Absent.
  • An object of the present invention is to provide a cleansing sheet and a cleansing composition having a high cleansing power and an excellent antiseptic effect even though the ethanol content is relatively low.
  • the cleansing sheet according to the present invention comprises a sheet base material and a cleansing composition impregnated in the sheet base material, wherein the cleansing composition comprises water, a nonionic surfactant, and a polyaminopropyl. It contains a biguanide and a polyhydric alcohol, and the cleansing composition does not contain ethanol or contains ethanol at 5% by mass or less.
  • the nonionic surfactant is preferably polyoxyethylene fatty acid, polyoxyethylene glycerin fatty acid ester, or polyoxyethylene hydrogenated castor oil.
  • the content of the polyaminopropyl biguanide is preferably 0.005% by mass or more and 0.5% by mass or less.
  • the content of the polyhydric alcohol is preferably 2.5% by mass or more and 10% by mass or less.
  • the cleansing composition contains a preservative different from the polyaminopropyl biguanide and different from the ethanol.
  • the cleansing composition contains a paraoxybenzoic acid ester as the preservative.
  • the cleansing composition preferably contains an anionic surfactant.
  • the cleansing composition according to the present invention contains water, a nonionic surfactant, polyaminopropyl biguanide, and a polyhydric alcohol, and does not contain ethanol or contains 5% by mass or less of ethanol.
  • the cleansing composition according to the present invention is suitably used for obtaining a cleansing sheet by impregnating a sheet base material.
  • the cleansing sheet according to the present invention includes a sheet base material and a cleansing composition impregnated in the sheet base material, and the cleansing composition further comprises water, a nonionic surfactant,
  • the cleansing sheet contains a polyaminopropyl biguanide and a polyhydric alcohol, so that the cleansing sheet is impregnated even though the content of ethanol is relatively low and the sheet base material is impregnated with the cleansing composition. Has a high cleansing power and an excellent antiseptic effect.
  • the cleansing composition according to the present invention contains water, a nonionic surfactant, a polyaminopropyl biguanide, and a polyhydric alcohol. Therefore, the cleansing composition has a relatively low ethanol content.
  • the composition has a high cleansing power and an excellent antiseptic effect.
  • the cleansing sheet according to the present invention includes a sheet base material and a cleansing composition impregnated in the sheet base material.
  • the cleansing composition includes (A) water, (B) a nonionic surfactant, (C) polyaminopropyl biguanide, and (D) a polyhydric alcohol.
  • the cleansing composition does not contain (E) ethanol or contains (E) ethanol at 5% by mass or less.
  • the cleansing composition according to the present invention contains (A) water, (B) a nonionic surfactant, (C) polyaminopropyl biguanide, and (D) a polyhydric alcohol.
  • the cleansing composition according to the present invention does not contain (E) ethanol, or contains (E) ethanol, and the content of (E) ethanol is 5% by mass or less.
  • the cleansing composition contains (E) ethanol
  • the content of (E) ethanol is 5% by mass or less.
  • the present invention since the above composition is adopted, a high cleansing power and an excellent antiseptic effect can be obtained even though the ethanol content is relatively small. That is, in the present invention, it is possible to achieve both a high cleansing power and an excellent antiseptic effect that have been difficult to achieve in the past.
  • the cleansing composition before impregnating the sheet base material exhibits an excellent antiseptic effect, but the cleansing sheet obtained by impregnating the cleansing composition with the sheet base material has a remarkable antiseptic effect. It tends to decrease and the antiseptic effect is not sufficiently exhibited.
  • both a high cleansing force and an excellent antiseptic effect can be achieved even with a cleansing sheet.
  • the antiseptic effect is hardly lowered. For this reason, content of ethanol etc. can be decreased.
  • the present invention even if ethanol is not used or the ethanol content is 5% by mass or less, a sufficient antiseptic effect is exhibited. Further, by reducing the ethanol content, skin irritation and eye irritation can be suppressed. Moreover, the fall of cleansing power can be suppressed by reducing ethanol content.
  • the cleansing sheet in which the cleansing composition is impregnated in the sheet base material it has been found for the first time by the present inventors that both the high cleansing power and the excellent antiseptic effect can be achieved by adopting the above composition. .
  • the present invention not only high cleansing power and excellent antiseptic effect can be obtained, but also skin irritation and eye irritation can be suppressed. Furthermore, in this invention, the refreshing feeling of the skin after cleansing can also be improved.
  • the above cleansing composition preferably contains a preservative (F) which is different from (C) polyaminopropyl biguanide and (E) different from ethanol.
  • the cleansing composition preferably contains (G) an anionic surfactant.
  • the cleansing sheet according to the present invention is preferably a cleansing sheet used as a cosmetic, quasi-drug, or pharmaceutical product.
  • the cleansing composition according to the present invention is suitably used for impregnating a sheet base material to obtain a cleansing sheet.
  • water water
  • water water generally used for cosmetics.
  • water is not specifically limited, Purified water, tap water, ion-exchange water, etc. are mentioned.
  • the water is preferably purified water.
  • the content of water (A) is preferably 70% by mass or more, more preferably 80% by mass or more, preferably 95% by mass or less, more preferably 90% by mass or less.
  • a refreshing feeling becomes much more favorable that content of water is more than the said minimum.
  • the cleansing power is further improved.
  • the nonionic surfactant is not particularly limited, and polyoxyethylene fatty acid, polyoxyethylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, monoglycerin fatty acid ester, polyglycerin fatty acid ester , Polyoxyethylene fatty acid amide, sorbitan fatty acid ester, polyoxyethylene sorbit beeswax, polyoxyethylene hydrogenated castor oil, polyoxyethylene castor oil, polyoxyethylene lanolin, polyoxyethylene lanolin alcohol, polyoxyethylene sorbitol lanolin, and dimethyl lauryl An amine oxide etc. are mentioned.
  • a nonionic surfactant only 1 type may be used and 2 or more types may be used.
  • polyoxyethylene fatty acid examples include polyethylene glycol monolaurate, polyethylene glycol dilaurate, polyethylene glycol monomyristate, polyethylene glycol monopalmitate, polyethylene glycol dipalmitate, polyethylene glycol monostearate, polyethylene glycol distearate, mono Examples include polyethylene glycol isostearate, polyethylene glycol diisostearate, polyethylene glycol monooleate, and polyethylene glycol dioleate.
  • the number of added moles of ethylene oxide in the polyoxyethylene fatty acid is not particularly limited, but is preferably 2 or more, more preferably 5 or more, preferably 100 or less, more preferably 90 or less.
  • the storage stability of the cleansing composition is further improved.
  • polyethylene glycol monolaurate examples include “Emanon 1112” manufactured by Kao Corporation (number of moles of ethylene oxide added: 12), and “NIKKOL MYL-10” manufactured by Nippon Surfactant Kogyo Co., Ltd. (number of moles of ethylene oxide added: 10). Etc.
  • examples of commercially available polyethylene glycol monooleate include “NIKKOL MYO-10V” (number of moles of ethylene oxide added: 10) manufactured by Nippon Surfactant Kogyo Co., Ltd.
  • Examples of commercially available polyethylene glycol monostearate examples include “NIKKOL MYS-4V” (number of moles of ethylene oxide added: 4) manufactured by Nippon Surfactant Kogyo Co., Ltd.
  • polyoxyethylene alkyl ether examples include polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene behenyl ether, polyoxyethylene oleyl ether, polyoxyethylene hexyl decyl ether, polyoxyethylene Ethylene isostearyl ether, polyoxyethylene octyldodecyl ether, polyoxyethylene decyl pentadecyl ether, polyoxyethylene decyl tetradecyl ether, polyoxyethylene cholesteryl ether, polyoxyethylene nonyl phenyl ether, polyoxyethylene octyl phenyl ether, polyoxy Ethylene polyoxypropylene cetyl ether and polyoxyethylene polio Dipropylene decyl tetradecyl ether and the like.
  • polyoxyethylene sorbitan fatty acid ester examples include polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, and polyoxyethylene sorbitan trioleate. , Polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan triisostearate and the like.
  • polyoxyethylene glycerin fatty acid ester examples include polyoxyethylene (capryl / capric acid) glyceryl, polyoxyethylene coconut oil fatty acid glycerin, monooleic acid polyoxyethylene glyceryl, monomyristic acid polyoxyethylene glyceryl, monostearic acid
  • the number of added moles of ethylene oxide in the polyoxyethylene glycerin fatty acid ester is not particularly limited, but is preferably 2 or more, more preferably 4 or more, preferably 100 or less, more preferably 90 or less.
  • the storage stability of the cleansing composition is further improved.
  • polyoxyethylene glycerin fatty acid ester Commercially available products may be used as the polyoxyethylene glycerin fatty acid ester.
  • Commercially available products of polyoxyethylene (capryl / capric acid) glyceryl include “Hiber Oil CC-6” (6 moles of ethylene oxide added) by Koyo Fine Chemical Co., Ltd. “CETIOL HE810” (ethylene oxide added) by Cognis Japan Number of moles: 7), “Softygen 767” (number of moles of ethylene oxide added: 6) manufactured by Sasol Corporation, and the like.
  • Commercially available products of polyisoethylene glyceryl monoisostearate include commercial products manufactured by Aoki Oil & Fat Co., Ltd.
  • Examples of the monoglycerin fatty acid esters include lauric acid glycerin, myristic acid glycerin, stearic acid glycerin, behenic acid glycerin, isoleic acid glycerin, coconut oil fatty acid glycerin, hydrogenated beef oil fatty acid glycerin, and lanolinic acid glycerin. Is mentioned.
  • polyglyceryl fatty acid ester examples include diglyceryl stearate, diglyceryl oleate, diglyceryl isostearate, tetraglyceryl stearate, tetraglyceryl oleate, hexaglyceryl laurate, and decaglyceryl stearate.
  • polyoxyethylene fatty acid amide examples include lauric acid diethanolamide, coconut oil fatty acid diethanolamide, and polyoxyethylene stearic acid amide.
  • sorbitan fatty acid ester examples include sorbitan monooleate, sorbitan monostearate, sorbitan monoisostearate, and sorbitan monolaurate.
  • the number of added moles of ethylene oxide in the polyoxyethylene hydrogenated castor oil is not particularly limited, but is preferably 20 or more, more preferably 40 or more, preferably 100 or less, more preferably 80 or less.
  • the storage stability of the cleansing composition is further improved.
  • polyoxyethylene hydrogenated castor oil Commercially available products may be used as the polyoxyethylene hydrogenated castor oil.
  • Commercially available products of polyoxyethylene hydrogenated castor oil include, for example, “Emanon CH-40” manufactured by Kao Corporation (number of moles of ethylene oxide added: 40), and “EMALEX HC-80” manufactured by Nippon Emulsion Co., Ltd. (number of moles of ethylene oxide added). : 80) and the like.
  • the nonionic surfactant is a polyoxyethylene fatty acid, a polyoxyethylene glycerin fatty acid ester, or a polyoxyethylene hydrogenated castor oil. It is preferable. In this case, only 1 type may be used among polyoxyethylene fatty acid, polyoxyethylene glycerin fatty acid, and polyoxyethylene hydrogenated castor oil, and 2 or more types may be used.
  • the HLB value of the nonionic surfactant is preferably 6 or more, more preferably 7 or more, preferably 14 or less, more preferably 12 or less. When the HLB value is not less than the above lower limit and not more than the above upper limit, the cleansing force is further increased.
  • the content of (B) the nonionic surfactant is preferably 1% by mass or more, more preferably 3% by mass or more, preferably 7% by mass or less, more preferably 5%. It is below mass%.
  • the content of the nonionic surfactant is not less than the above lower limit, the cleansing force is further increased.
  • content of a nonionic surfactant is below the said upper limit, the fall of antiseptic effect is suppressed further.
  • polyaminopropyl biguanide Commercially available products may be used as the polyaminopropyl biguanide. Examples of commercially available products of polyaminopropyl biguanide include “COSMOSIL CQ” manufactured by Arch Chemicals.
  • the content of (C) polyaminopropyl biguanide is preferably 0.001% by mass or more, more preferably 0.005% by mass or more, still more preferably 0.01% by mass or more, Preferably it is 1 mass% or less, More preferably, it is 0.5 mass% or less, More preferably, it is 0.1 mass% or less.
  • the content of (C) polyaminopropyl biguanide is not less than the above lower limit, the antiseptic effect is further improved.
  • the content of (C) polyaminopropyl biguanide is not more than the above upper limit, the antiseptic effect is further improved.
  • the content of (C) polyaminopropyl biguanide is preferably 0.005% by mass or more and 0.5% by mass or less. In this case, the antiseptic effect becomes considerably effective.
  • polyhydric alcohol examples include ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, glycerin, diglycerin, polyglycerin, 1,3-butylene glycol, isoprene glycol, sorbitol, multi Tall, mannitol, glycol, 1,2-butanediol, 1,2-pentanediol, 1,2-hexanediol, 1,2-heptanediol, 1,2-octanediol, 1,2-nonanediol, and 1 , 2-decanediol and the like.
  • polyhydric alcohol only 1 type may be used and 2 or more types may be used.
  • the (D) polyhydric alcohol is preferably propylene glycol or 1,3-butylene glycol.
  • the content of the (D) polyhydric alcohol is preferably 0.5% by mass or more, more preferably 2.5% by mass or more, further preferably 5% by mass or more, preferably It is 10 mass% or less, More preferably, it is 8 mass% or less.
  • content of a polyhydric alcohol is more than the said minimum, antiseptic effect will become still higher and a moisturizing feeling will become still better.
  • the refreshing feeling after cleansing becomes still more favorable that content of a polyhydric alcohol is below the said upper limit. In the present invention, even when the content of the (D) polyhydric alcohol is 10% by mass or less, a good antiseptic effect can be obtained.
  • the cleansing composition does not contain (E) ethanol or contains (E) ethanol at 5% by mass or less. That is, when the cleansing composition contains (E) ethanol, the content of (E) ethanol is at most 5% by mass. In general, when the content of (E) ethanol is 5% by mass or less, the antiseptic effect tends to be low. However, in the present invention, since the specific components (A) to (D) are combined, the antiseptic effect is improved. Can be high enough.
  • the content of (E) ethanol is high.
  • the content of (E) ethanol is preferably low.
  • skin irritation and eye irritation can be a major problem in use.
  • the ethanol content is 5% by mass or less, skin irritation and eye irritation can be sufficiently suppressed.
  • the content of (E) ethanol is preferably 0% by mass or more (including unused), more preferably 0.5% by mass or more, still more preferably 1% by mass or more, 5% by mass or less, preferably 4.5% by mass or less, more preferably 4% by mass or less, further preferably 3.5% by mass or less, still more preferably 3% by mass or less, particularly preferably 2.5% by mass. Hereinafter, it is most preferably 2% by mass or less.
  • the content of ethanol is not less than the above lower limit, the antiseptic effect is further improved.
  • the content of ethanol is not more than the above upper limit, skin irritation and eye irritation are further suppressed. From the viewpoint of further suppressing skin irritation and eye irritation, the content of (E) ethanol may be 1.5% by mass or less, 1% by mass or less, and 0. 5 mass% or less may be sufficient, and 0.1 mass% or less may be sufficient.
  • (F) Preservative (F) The preservative is different from (C) polyaminopropyl biguanide and different from (E) ethanol. Note that (F) the preservative is different from (D) the polyhydric alcohol. By using (F) preservative together with (C) polyaminopropyl biguanide, the antiseptic effect is more effectively exhibited.
  • the preservative is not particularly limited, and examples thereof include paraoxybenzoic acid esters such as methylparaben, ethylparaben, propylparaben, and butylparaben; phenoxyethanol; sodium benzoate and the like.
  • a preservative only 1 type may be used and 2 or more types may be used together.
  • the cleansing composition preferably contains paraoxybenzoic acid ester, phenoxyethanol or sodium benzoate as the preservative (F).
  • the preservative F
  • only one of paraoxybenzoic acid ester, phenoxyethanol and sodium benzoate may be used, or two or more may be used.
  • the cleansing composition preferably contains a paraoxybenzoic acid ester as (F) an antiseptic.
  • the content of (F) preservative is preferably 0% by mass or more (including unused), more preferably 0.3% by mass or more, and further preferably 0.5% by mass. % Or more, preferably 1% by mass or less, more preferably 0.9% by mass or less.
  • the content of the preservative is not less than the above lower limit and not more than the above upper limit, the antiseptic effect is further improved.
  • Anionic surfactants include fatty acid salts, alkyl ether carboxylates, acyl lactates, N-acyl sarcosine salts, N-acyl glutamates, N-acyl methyl alanine salts, N-acyl methyl taurine salts.
  • anionic surfactant only 1 type may be used and 2 or more types may be used.
  • the (G) anionic surfactant is preferably an N-acyl glutamate, and among them, N-coconut oil fatty acid acyl-sodium L-glutamate, N-stearoyl -L-glutamic acid sodium, N-coconut oil fatty acid acyl-L-glutamic acid triethanolamine are more preferable.
  • N-acyl glutamate examples include “Amissoft ECS-22” and “Amisoft CS-22” manufactured by Ajinomoto Healthy Supply Co., Ltd.
  • Examples of commercial products of sodium N-stearoyl-L-glutamate include “Amisoft HS-11P” manufactured by Ajinomoto Healthy Supply Co., Ltd.
  • Examples of commercially available products of N-coconut oil fatty acyl-L-glutamic acid triethanolamine include “Amisoft CT-12” manufactured by Ajinomoto Healthy Supply Co., Ltd.
  • the content of (G) anionic surfactant is preferably 0% by mass or more (including unused), more preferably 0.01% by mass or more, and still more preferably. It is 0.05 mass% or more, Preferably it is 0.2 mass% or less, More preferably, it is 0.1 mass% or less. (G) When the content of the anionic surfactant is not less than the above lower limit and not more than the above upper limit, the high temperature stability is further improved.
  • the cleansing composition is within the range not inhibiting the effects of the present invention, such as fats and oils, waxes, hydrocarbon oils, higher fatty acids, higher alcohols, fatty acid esters, silicones, cationic surfactants, amphoteric surfactants, cooling agents. It may contain other components such as agents, antioxidants, sequestering agents, vitamins, animal and plant extracts, pearling agents, and coloring agents. As for these other components, only 1 type may be used and 2 or more types may be used.
  • oil examples include sunflower oil, cottonseed oil, soybean oil, olive oil, coconut oil, castor oil, jojoba oil, coconut oil, and mink oil.
  • waxes examples include carnauba wax, candelilla wax, beeswax, rice bran wax, shellac wax, whale wax, and lanolin.
  • hydrocarbon oil examples include light isoparaffin, light liquid isoparaffin, synthetic squalane, vegetable squalane, squalane, ceresin, paraffin, liquid paraffin, liquid isoparaffin, microcrystalline wax, polyethylene powder, polyethylene wax, and petrolatum. It is done.
  • Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, behenic acid, undecylenic acid, lanolinic acid, and isostearic acid.
  • Examples of the higher alcohol include lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, lanolin alcohol, behenyl alcohol, cetostearyl alcohol, octyl decanol, and decyl tetradecanol.
  • fatty acid ester examples include ethyl oleate, isopropyl myristate, isopropyl palmitate, myristyl myristate, cetyl palmitate, oleyl oleate, octyldodecyl myristate, octyldodecyl oleate, ethyl isostearate, isopropyl isostearate, Cetyl 2-ethylhexanoate, cetostearyl 2-ethylhexanoate, isocetyl octoate, isostearyl octoate, isopropyl isostearate, isocetyl isostearate, octyldodecyl isostearate, octyldodecyl dimethyloctanoate, ethylene glycol dioleate, dicaprylic acid Propylene glycol, propylene glycol dicaprate,
  • silicone examples include straight silicone and cyclic silicone.
  • straight silicone examples include octamethyltrisiloxane, tetradecamethylhexasiloxane, methylpolysiloxane, highly polymerized methylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane.
  • cyclic silicone examples include methylcyclopolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane.
  • a modified silicone may be used as the silicone. Examples of the modified silicone include alcohol-modified silicone, alkyl-modified silicone, amino-modified silicone, polyether-modified silicone, and epoxy-modified silicone.
  • Examples of the cationic surfactant include alkylamine salts and fatty acid amidoamines.
  • Examples of the alkylamine salt include lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, and distearyldimethylammonium chloride.
  • Examples of the fatty acid amidoamine include myristic acid dimethylaminoethylamide and stearic acid diethylaminopropylamide.
  • amphoteric surfactants examples include alkyl glycine salts, carboxymethyl glycine salts, N-acylaminoethyl-N-2-hydroxyethyl glycine salts, alkyl polyamino polycarboxy glycine salts, alkyl amino propionates, alkyl amino diacids.
  • Propionate N-acylaminoethyl-N-2-hydroxyethylpropionate, alkyldimethylaminoacetic acid betaine, fatty acid amidopropyldimethylaminoacetic acid betaine, alkyldihydroxyethylaminoacetic acid betaine, N-alkyl-N, N-dimethyl Ammonium-N-propylsulfonate, N-alkyl-N, N-dimethylammonium-N- (2-hydroxypropyl) sulfonate, and N-fatty acid amidopropyl-N, N-dimethylammonium-N (2-hydroxypropyl) sulfonic acid salts, and the like.
  • the material for the sheet base material is not particularly limited as long as it can be impregnated with the cleansing composition.
  • a sheet base material usually used as a cosmetic can be used as appropriate.
  • the sheet base material examples include woven fabrics and nonwoven fabrics made of natural fibers, synthetic fibers, or semi-natural fibers. From the viewpoint of further improving the impregnation property and feeling of use, the sheet base material is preferably a nonwoven fabric.
  • Examples of the natural fiber include cotton, pulp, silk, cellulose, hemp, linter, and kabok.
  • Examples of the synthetic fiber include nylon, polyester fiber, polyacrylic fiber, polypropylene fiber, polyethylene fiber, and polyethylene terephthalate fiber.
  • Examples of the semi-natural fiber include rayon and acetate. As for said fiber, only 1 type may be used and 2 or more types may be used.
  • the surface of the sheet base material may be embossed.
  • the sheet base material includes a film base material.
  • the method for impregnating the sheet base material with the cleansing composition is not particularly limited, and a known method can be employed.
  • the amount of the cleansing composition impregnated in the sheet base is preferably 1 part by weight or more, more preferably 3 parts by weight or more, preferably 7 parts by weight or less, more preferably 1 part by weight of the sheet base. Is 6 parts by mass or less.
  • the impregnation amount of the cleansing composition is equal to or more than the lower limit, the cleansing force is further increased.
  • the impregnation amount of the cleansing composition is less than or equal to the above upper limit, the cleansing composition is more satisfactorily impregnated into the sheet base material, and the impregnated state can be maintained better.
  • (B) nonionic surfactant Polyoxyethylene (capryl / capric acid) glyceryl (Kyoyo Fine Chemical Co., Ltd. “Hiber Oil CC-6”, ethylene oxide addition moles: 6) Polyoxyethylene coconut oil fatty acid glyceryl (“M Fine Oil COG-7M” manufactured by Miyoshi Oil & Fats Co., Ltd., ethylene oxide addition moles: 7)
  • Example 1 Examples 1 to 10 and Comparative Examples 1 to 8)
  • the blending components shown in Table 1 below were blended (the blending unit was mass%) to prepare a cleansing composition.
  • a non-woven fabric of pulp / rayon (“KP9340” manufactured by Sansho Paper Industry Co., Ltd.) was prepared as a sheet base material.
  • the sheet base material was impregnated with the cleansing composition to obtain a cleansing sheet (sheet cosmetic).
  • 4.0 mL of the cleansing composition was impregnated per nonwoven fabric.
  • 1 part by mass of the nonwoven fabric was impregnated with 4 parts by mass of the cleansing composition.
  • Test Example 2 Evaluation of stimulation
  • Test Example 3 Evaluation of refreshing feeling
  • 20 professional panels evaluated the freshness of the skin after cleansing according to the following criteria.
  • Candida NBRC 1594 was used as a Candida bacterium.
  • test sample was obtained by injecting 20 mL of the cleansing composition for each test bacterium into a sterilized vial having a volume of 100 mL. Using a bacterial solution for inoculation prepared so that P. aeruginosa was 10 8 CFU / mL, the test sample was inoculated with 1/100 volume (0.2 mL) of the bacterial solution, sealed, and mixed well. For the samples inoculated with Pseudomonas aeruginosa, the vials were stored in a constant temperature bath at 35 ° C.
  • test sample was obtained by injecting 20 mL of the cleansing composition for each test bacterium into a sterilized vial having a volume of 100 mL. Using a bacterial solution for inoculation prepared so that Candida was 10 7 CFU / mL, the test sample was inoculated with 1/100 volume (0.2 mL) of the bacterial solution, sealed, and mixed well. For the sample inoculated with Candida, the vial was stored in a thermostatic bath at 25 ° C.
  • ⁇ Evaluation criteria for antiseptic power Candida> ⁇ : Viable count is ⁇ 10 2 CFU / mL ⁇ : Viable count> 10 2 CFU / mL
  • ⁇ Evaluation criteria for antiseptic power Candida> ⁇ : Viable count is ⁇ 10 2 CFU / mL ⁇ : Viable count> 10 2 CFU / mL
  • Comparative Examples 7 and 8 since the component (C) is not used, a large amount of the component (D) is blended in order to increase the antiseptic power of the sheet. In Comparative Examples 7 and 8, since a large amount of the component (D) was blended, the clean feeling of the skin after cleansing was considerably inferior, and there was a problem in the basic performance of the cleansing sheet. Moreover, in Example 1, content of ethanol is 4.5 mass%, 4 mass%, 3.5 mass%, 3 mass%, 2.5 mass%, 2 mass%, 1.5 mass%, 1 mass. %, The composition for cleansing changed to 0.5% by mass was evaluated in the same manner as in Example 1. As the ethanol content is smaller, the antiseptic effect and the cleansing power tend to be slightly reduced although sufficient. On the other hand, it was confirmed that the stimulation tends to be considerably suppressed.

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Abstract

Provided is a cleansing sheet having high cleansing power and an excellent preservative effect. The cleansing sheet according to the present invention comprises a sheet base material and a cleansing composition with which the sheet base material is impregnated, wherein the cleansing composition comprises water, a nonionic surfactant, polyaminopropyl biguanide and a polyhydric alcohol, and the cleansing composition does not contain ethanol or contains ethanol in an amount of 5% by mass or less.

Description

クレンジングシート及びクレンジング用組成物Cleansing sheet and cleansing composition
　本発明は、クレンジングシート及びクレンジング用組成物に関する。 The present invention relates to a cleansing sheet and a cleansing composition.
　メイク等を除去するために、クレンジング用組成物を用いたクレンジング用化粧料が広く知られている。近年、手軽にかつ素早くメイクを除去するために、クレンジング用組成物をシート基材に含浸させたクレンジングシートの使用が増えている。 Cleansing cosmetics using a cleansing composition for removing makeup and the like are widely known. In recent years, in order to remove makeup easily and quickly, the use of cleansing sheets obtained by impregnating a sheet base material with a cleansing composition has been increasing.
　しかしながら、クレンジング用化粧料では、防腐性能に劣ることがある。特に、シート基材に含浸される前のクレンジング用組成物では、優れた防腐効果が発揮されるにもかかわらず、クレンジング用組成物をシート基材に含浸させたクレンジングシートでは、防腐効果が著しく低下して、防腐効果が十分に発揮されないという問題がある。 However, cleansing cosmetics may have poor antiseptic performance. In particular, the cleansing composition before impregnating the sheet base material exhibits an excellent antiseptic effect, but the cleansing sheet obtained by impregnating the cleansing composition with the sheet base material has a remarkable antiseptic effect. There is a problem that the antiseptic effect is not sufficiently exhibited.
　下記の特許文献１，２に記載のように、抗菌効果及び防腐効果を発現させるために、従来、シート基材に含浸させるクレンジング用組成物に、抗菌効果及び防腐効果を有するエタノールが比較的多く配合されている。 As described in the following Patent Documents 1 and 2, in order to express the antibacterial effect and the antiseptic effect, conventionally, the cleansing composition impregnated into the sheet base material has a relatively large amount of ethanol having the antibacterial effect and the antiseptic effect. It is blended.
特開２００４－２０３７９４号公報JP 2004-203794 A 特開２００３－１８３１２６号公報JP 2003-183126 A
　しかしながら、エタノールを比較的多く配合すると、クレンジングシートの使用時に、エタノールによる皮膚の刺激及び眼の刺激が生じるという問題がある。さらに、エタノールによって、クレンジングシートの主機能であるクレンジング力が低下するという問題がある。 However, when a relatively large amount of ethanol is blended, there is a problem that when the cleansing sheet is used, skin irritation and eye irritation are caused by ethanol. Furthermore, there exists a problem that the cleansing power which is the main function of a cleansing sheet falls with ethanol.
　一方で、クレンジング力の低下を抑えるためには、クレンジング力を発現する成分である界面活性剤を多く配合することが考えられる。 On the other hand, in order to suppress the decrease in the cleansing power, it is conceivable that a large amount of a surfactant which is a component expressing the cleansing power is blended.
　しかしながら、界面活性剤を多く配合すると、クレンジング力が高くなる一方で、防腐効果が著しく低下したり、界面活性剤に起因する皮膚の刺激が生じたりするという問題がある。 However, when a large amount of surfactant is added, cleansing power increases, but there is a problem that the antiseptic effect is remarkably reduced and skin irritation caused by the surfactant occurs.
　このように、クレンジング用組成物では、高いクレンジング力と優れた防腐効果との双方を両立することは困難であるという問題がある。特に、クレンジングシートでは、高いクレンジング力と優れた防腐効果との双方を両立することはより一層困難であり、従来、高いクレンジング力と優れた防腐効果との双方を両立したクレンジングシートは得られていない。 As described above, the cleansing composition has a problem that it is difficult to achieve both high cleansing power and excellent antiseptic effect. In particular, with cleansing sheets, it is even more difficult to achieve both high cleansing power and excellent antiseptic effect. Conventionally, cleansing sheets that achieve both high cleansing power and excellent antiseptic effect have been obtained. Absent.
　本発明の目的は、エタノールの含有量が比較的少ないにもかかわらず、高いクレンジング力と優れた防腐効果とを有するクレンジングシート及びクレンジング用組成物を提供することである。 An object of the present invention is to provide a cleansing sheet and a cleansing composition having a high cleansing power and an excellent antiseptic effect even though the ethanol content is relatively low.
　本発明に係るクレンジングシートは、シート基材と、前記シート基材に含浸されているクレンジング用組成物とを備え、前記クレンジング用組成物が、水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含み、前記クレンジング用組成物がエタノールを含まないか、又はエタノールを５質量％以下で含む。 The cleansing sheet according to the present invention comprises a sheet base material and a cleansing composition impregnated in the sheet base material, wherein the cleansing composition comprises water, a nonionic surfactant, and a polyaminopropyl. It contains a biguanide and a polyhydric alcohol, and the cleansing composition does not contain ethanol or contains ethanol at 5% by mass or less.
　前記非イオン性界面活性剤が、ポリオキシエチレン脂肪酸、ポリオキシエチレングリセリン脂肪酸エステル、又はポリオキシエチレン硬化ヒマシ油であることが好ましい。 The nonionic surfactant is preferably polyoxyethylene fatty acid, polyoxyethylene glycerin fatty acid ester, or polyoxyethylene hydrogenated castor oil.
　前記ポリアミノプロピルビグアニドの含有量が０．００５質量％以上、０．５質量％以下であることが好ましい。前記多価アルコールの含有量が２．５質量％以上、１０質量％以下であることが好ましい。 The content of the polyaminopropyl biguanide is preferably 0.005% by mass or more and 0.5% by mass or less. The content of the polyhydric alcohol is preferably 2.5% by mass or more and 10% by mass or less.
　前記クレンジング用組成物は、前記ポリアミノプロピルビグアニドとは異なりかつ前記エタノールとは異なる防腐剤を含む。 The cleansing composition contains a preservative different from the polyaminopropyl biguanide and different from the ethanol.
　本発明に係るクレンジングシートのある特定の局面では、前記クレンジング用組成物は、前記防腐剤として、パラオキシ安息香酸エステルを含む。 In a specific aspect of the cleansing sheet according to the present invention, the cleansing composition contains a paraoxybenzoic acid ester as the preservative.
　前記クレンジング用組成物は、陰イオン性界面活性剤を含むことが好ましい。 The cleansing composition preferably contains an anionic surfactant.
　本発明に係るクレンジング用組成物は、水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含み、エタノールを含まないか、又はエタノールを５質量％以下で含む。 The cleansing composition according to the present invention contains water, a nonionic surfactant, polyaminopropyl biguanide, and a polyhydric alcohol, and does not contain ethanol or contains 5% by mass or less of ethanol.
　本発明に係るクレンジング用組成物は、シート基材に含浸されて、クレンジングシートを得るために好適に用いられる。 The cleansing composition according to the present invention is suitably used for obtaining a cleansing sheet by impregnating a sheet base material.
　本発明に係るクレンジングシートは、シート基材と、該シート基材に含浸されているクレンジング用組成物とを備えており、更に上記クレンジング用組成物が、水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含むので、エタノールの含有量が比較的少ないにもかかわらず、更に上記クレンジング用組成物がシート基材に含浸されているにもかかわらず、上記クレンジングシートは、高いクレンジング力と優れた防腐効果とを有する。 The cleansing sheet according to the present invention includes a sheet base material and a cleansing composition impregnated in the sheet base material, and the cleansing composition further comprises water, a nonionic surfactant, The cleansing sheet contains a polyaminopropyl biguanide and a polyhydric alcohol, so that the cleansing sheet is impregnated even though the content of ethanol is relatively low and the sheet base material is impregnated with the cleansing composition. Has a high cleansing power and an excellent antiseptic effect.
　本発明に係るクレンジング用組成物は、水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含むので、エタノールの含有量が比較的少ないにもかかわらず、上記クレンジング用組成物は、高いクレンジング力と優れた防腐効果とを有する。 The cleansing composition according to the present invention contains water, a nonionic surfactant, a polyaminopropyl biguanide, and a polyhydric alcohol. Therefore, the cleansing composition has a relatively low ethanol content. The composition has a high cleansing power and an excellent antiseptic effect.
　以下、本発明を詳細に説明する。 Hereinafter, the present invention will be described in detail.
　本発明に係るクレンジングシートは、シート基材と、上記シート基材に含浸されているクレンジング用組成物とを備える。上記クレンジング用組成物は、（Ａ）水と、（Ｂ）非イオン性界面活性剤と、（Ｃ）ポリアミノプロピルビグアニドと、（Ｄ）多価アルコールとを含む。上記クレンジング用組成物は、（Ｅ）エタノールを含まないか、又は（Ｅ）エタノールを５質量％以下で含む。 The cleansing sheet according to the present invention includes a sheet base material and a cleansing composition impregnated in the sheet base material. The cleansing composition includes (A) water, (B) a nonionic surfactant, (C) polyaminopropyl biguanide, and (D) a polyhydric alcohol. The cleansing composition does not contain (E) ethanol or contains (E) ethanol at 5% by mass or less.
　本発明に係るクレンジング用組成物は、（Ａ）水と、（Ｂ）非イオン性界面活性剤と、（Ｃ）ポリアミノプロピルビグアニドと、（Ｄ）多価アルコールとを含む。本発明に係るクレンジング用組成物は、（Ｅ）エタノールを含まないか、又は（Ｅ）エタノールを含みかつ（Ｅ）エタノールの含有量が５質量％以下である。 The cleansing composition according to the present invention contains (A) water, (B) a nonionic surfactant, (C) polyaminopropyl biguanide, and (D) a polyhydric alcohol. The cleansing composition according to the present invention does not contain (E) ethanol, or contains (E) ethanol, and the content of (E) ethanol is 5% by mass or less.
　上記クレンジング用組成物が（Ｅ）エタノールを含む場合に、（Ｅ）エタノールの含有量は５質量％以下である。 When the cleansing composition contains (E) ethanol, the content of (E) ethanol is 5% by mass or less.
　本発明では、上記の組成が採用されているので、エタノールの含有量が比較的少ないにもかかわらず、高いクレンジング力と、優れた防腐効果とを得ることができる。すなわち、本発明では、従来両立することが困難であった高いクレンジング力と優れた防腐効果との双方を両立することができる。 In the present invention, since the above composition is adopted, a high cleansing power and an excellent antiseptic effect can be obtained even though the ethanol content is relatively small. That is, in the present invention, it is possible to achieve both a high cleansing power and an excellent antiseptic effect that have been difficult to achieve in the past.
　特に、シート基材に含浸される前のクレンジング用組成物では、優れた防腐効果が発揮されるにもかかわらず、クレンジング用組成物をシート基材に含浸させたクレンジングシートでは、防腐効果が著しく低下して、防腐効果が十分に発揮されにくい傾向がある。これに対して、本発明における上記の構成の採用により、クレンジングシートであっても、高いクレンジング力と優れた防腐効果との双方を両立することができる。本発明では、クレンジング用組成物をシート基材に含浸させても、防腐効果が低下し難い。このため、エタノール等の含有量を少なくすることができる。本発明では、エタノールを用いていなかったり、エタノールの含有量が５質量％以下であったりしても、充分な防腐効果が発揮される。また、エタノールの含有量を少なくすることにより、皮膚の刺激及び眼の刺激を抑えることができる。また、エタノールの含有量を少なくすることにより、クレンジング力の低下を抑えることができる。クレンジング用組成物がシート基材に含浸されているクレンジングシートにおいて、上記の組成の採用により、高いクレンジング力と優れた防腐効果との双方を両立できることは、本発明者らによって初めて見出された。 In particular, the cleansing composition before impregnating the sheet base material exhibits an excellent antiseptic effect, but the cleansing sheet obtained by impregnating the cleansing composition with the sheet base material has a remarkable antiseptic effect. It tends to decrease and the antiseptic effect is not sufficiently exhibited. On the other hand, by adopting the above-described configuration in the present invention, both a high cleansing force and an excellent antiseptic effect can be achieved even with a cleansing sheet. In the present invention, even if the sheet base material is impregnated with the cleansing composition, the antiseptic effect is hardly lowered. For this reason, content of ethanol etc. can be decreased. In the present invention, even if ethanol is not used or the ethanol content is 5% by mass or less, a sufficient antiseptic effect is exhibited. Further, by reducing the ethanol content, skin irritation and eye irritation can be suppressed. Moreover, the fall of cleansing power can be suppressed by reducing ethanol content. In the cleansing sheet in which the cleansing composition is impregnated in the sheet base material, it has been found for the first time by the present inventors that both the high cleansing power and the excellent antiseptic effect can be achieved by adopting the above composition. .
　本発明では、高いクレンジング力と、優れた防腐効果とを得ることができるだけでなく、皮膚の刺激及び眼の刺激を抑えることもできる。さらに、本発明では、クレンジング後の皮膚のさっぱり感を高めることもできる。 In the present invention, not only high cleansing power and excellent antiseptic effect can be obtained, but also skin irritation and eye irritation can be suppressed. Furthermore, in this invention, the refreshing feeling of the skin after cleansing can also be improved.
　上記クレンジング用組成物は、（Ｃ）ポリアミノプロピルビグアニドとは異なりかつ（Ｅ）エタノールとは異なる（Ｆ）防腐剤を含むことが好ましい。上記クレンジング用組成物は、（Ｇ）陰イオン性界面活性剤を含むことが好ましい。 The above cleansing composition preferably contains a preservative (F) which is different from (C) polyaminopropyl biguanide and (E) different from ethanol. The cleansing composition preferably contains (G) an anionic surfactant.
　本発明に係るクレンジングシートは、化粧料、医薬部外品、又は医薬品として用いられるクレンジングシートであることが好ましい。本発明に係るクレンジング用組成物は、シート基材に含浸されて、クレンジングシートを得るために好適に用いられる。 The cleansing sheet according to the present invention is preferably a cleansing sheet used as a cosmetic, quasi-drug, or pharmaceutical product. The cleansing composition according to the present invention is suitably used for impregnating a sheet base material to obtain a cleansing sheet.
　以下、本発明に係るクレンジングシート及び本発明に係るクレンジング用組成物に用いることができる各成分、並びにシート基材を詳細に説明する。 Hereinafter, each component that can be used in the cleansing sheet according to the present invention and the cleansing composition according to the present invention, and a sheet base material will be described in detail.
　（（Ａ）水）
　（Ａ）水は、化粧料に一般に用いられる水であることが好ましい。（Ａ）水は、特に限定されないが、精製水、水道水及びイオン交換水等が挙げられる。（Ａ）水は、精製水であることが好ましい。 ((A) water)
(A) It is preferable that water is water generally used for cosmetics. (A) Although water is not specifically limited, Purified water, tap water, ion-exchange water, etc. are mentioned. (A) The water is preferably purified water.
　上記クレンジング用組成物１００質量％中、（Ａ）水の含有量は、好ましくは７０質量％以上、より好ましくは８０質量％以上、好ましくは９５質量％以下、より好ましくは９０質量％以下である。（Ａ）水の含有量が上記下限以上であると、さっぱり感がより一層良好になる。（Ａ）水の含有量が上記上限以下であると、クレンジング力がより一層良好になる。 In 100% by mass of the cleansing composition, the content of water (A) is preferably 70% by mass or more, more preferably 80% by mass or more, preferably 95% by mass or less, more preferably 90% by mass or less. . (A) A refreshing feeling becomes much more favorable that content of water is more than the said minimum. (A) When the content of water is not more than the above upper limit, the cleansing power is further improved.
　（（Ｂ）非イオン性界面活性剤）
　上記クレンジング用組成物が（Ｂ）非イオン性界面活性剤を含むことにより、クレンジング力が効果的に高くなる。 ((B) nonionic surfactant)
When the cleansing composition contains (B) a nonionic surfactant, the cleansing power is effectively increased.
　（Ｂ）非イオン性界面活性剤は、特に限定されず、ポリオキシエチレン脂肪酸、ポリオキシエチレンアルキルエーテル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレングリセリン脂肪酸エステル、モノグリセリン脂肪酸エステル、ポリグリセリン脂肪酸エステル、ポリオキシエチレン脂肪酸アミド、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビットミツロウ、ポリオキシエチレン硬化ヒマシ油、ポリオキシエチレンヒマシ油、ポリオキシエチレンラノリン、ポリオキシエチレンラノリンアルコール、ポリオキシエチレンソルビトールラノリン、及びジメチルラウリルアミンオキシド等が挙げられる。（Ｂ）非イオン性界面活性剤は、１種のみが用いられてもよく、２種以上が用いられてもよい。 (B) The nonionic surfactant is not particularly limited, and polyoxyethylene fatty acid, polyoxyethylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, monoglycerin fatty acid ester, polyglycerin fatty acid ester , Polyoxyethylene fatty acid amide, sorbitan fatty acid ester, polyoxyethylene sorbit beeswax, polyoxyethylene hydrogenated castor oil, polyoxyethylene castor oil, polyoxyethylene lanolin, polyoxyethylene lanolin alcohol, polyoxyethylene sorbitol lanolin, and dimethyl lauryl An amine oxide etc. are mentioned. (B) As for a nonionic surfactant, only 1 type may be used and 2 or more types may be used.
　上記ポリオキシエチレン脂肪酸としては、例えば、モノラウリン酸ポリエチレングリコール、ジラウリン酸ポリエチレングリコール、モノミリスチン酸ポリエチレングリコール、モノパルミチン酸ポリエチレングリコール、ジパルミチン酸ポリエチレングリコール、モノステアリン酸ポリエチレングリコール、ジステアリン酸ポリエチレングリコール、モノイソステアリン酸ポリエチレングリコール、ジイソステアリン酸ポリエチレングリコール、モノオレイン酸ポリエチレングリコール、及びジオレイン酸ポリエチレングリコール等が挙げられる。 Examples of the polyoxyethylene fatty acid include polyethylene glycol monolaurate, polyethylene glycol dilaurate, polyethylene glycol monomyristate, polyethylene glycol monopalmitate, polyethylene glycol dipalmitate, polyethylene glycol monostearate, polyethylene glycol distearate, mono Examples include polyethylene glycol isostearate, polyethylene glycol diisostearate, polyethylene glycol monooleate, and polyethylene glycol dioleate.
　上記ポリオキシエチレン脂肪酸における酸化エチレンの付加モル数は、特に限定されないが、好ましくは２以上、より好ましくは５以上、好ましくは１００以下、より好ましくは９０以下である。上記ポリオキシエチレン脂肪酸における酸化エチレンの付加モル数が上記下限以上及び上記上限以下であると、上記クレンジング用組成物の保存安定性がより一層良好になる。 The number of added moles of ethylene oxide in the polyoxyethylene fatty acid is not particularly limited, but is preferably 2 or more, more preferably 5 or more, preferably 100 or less, more preferably 90 or less. When the added mole number of ethylene oxide in the polyoxyethylene fatty acid is not less than the above lower limit and not more than the above upper limit, the storage stability of the cleansing composition is further improved.
　上記ポリオキシエチレン脂肪酸として、市販品を用いてもよい。モノラウリン酸ポリエチレングリコールの市販品としては、例えば、花王社製「エマノーン　１１１２」（酸化エチレン付加モル数：１２）、及び日本サーファクタント工業社製「ＮＩＫＫＯＬ　ＭＹＬ－１０」（酸化エチレン付加モル数：１０）等が挙げられる。モノオレイン酸ポリエチレングリコールの市販品としては、日本サーファクタント工業社製「ＮＩＫＫＯＬ　ＭＹＯ－１０Ｖ」（酸化エチレン付加モル数：１０）等が挙げられる。モノステアリン酸ポリエチレングリコールの市販品としては、日本サーファクタント工業社製「ＮＩＫＫＯＬ　ＭＹＳ－４Ｖ」（酸化エチレン付加モル数：４）等が挙げられる。 Commercially available products may be used as the polyoxyethylene fatty acid. Examples of commercially available polyethylene glycol monolaurate include “Emanon 1112” manufactured by Kao Corporation (number of moles of ethylene oxide added: 12), and “NIKKOL MYL-10” manufactured by Nippon Surfactant Kogyo Co., Ltd. (number of moles of ethylene oxide added: 10). Etc. Examples of commercially available polyethylene glycol monooleate include “NIKKOL MYO-10V” (number of moles of ethylene oxide added: 10) manufactured by Nippon Surfactant Kogyo Co., Ltd. Examples of commercially available polyethylene glycol monostearate include “NIKKOL MYS-4V” (number of moles of ethylene oxide added: 4) manufactured by Nippon Surfactant Kogyo Co., Ltd.
　上記ポリオキシエチレンアルキルエーテルとしては、例えば、ポリオキシエチレンラウリルエーテル、ポリオキシエチレンセチルエーテル、ポリオキシエチレンステアリルエーテル、ポリオキシエチレンベヘニルエーテル、ポリオキシエチレンオレイルエーテル、ポリオキシエチレンヘキシルデシルエーテル、ポリオキシエチレンイソステアリルエーテル、ポリオキシエチレンオクチルドデシルエーテル、ポリオキシエチレンデシルペンタデシルエーテル、ポリオキシエチレンデシルテトラデシルエーテル、ポリオキシエチレンコレステリルエーテル、ポリオキシエチレンノニルフェニルエーテル、ポリオキシエチレンオクチルフェニルエーテル、ポリオキシエチレンポリオキシプロピレンセチルエーテル、及びポリオキシエチレンポリオキシプロピレンデシルテトラデシルエーテル等が挙げられる。 Examples of the polyoxyethylene alkyl ether include polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene behenyl ether, polyoxyethylene oleyl ether, polyoxyethylene hexyl decyl ether, polyoxyethylene Ethylene isostearyl ether, polyoxyethylene octyldodecyl ether, polyoxyethylene decyl pentadecyl ether, polyoxyethylene decyl tetradecyl ether, polyoxyethylene cholesteryl ether, polyoxyethylene nonyl phenyl ether, polyoxyethylene octyl phenyl ether, polyoxy Ethylene polyoxypropylene cetyl ether and polyoxyethylene polio Dipropylene decyl tetradecyl ether and the like.
　上記ポリオキシエチレンソルビタン脂肪酸エステルとしては、例えば、モノラウリン酸ポリオキシエチレンソルビタン、モノパルミチン酸ポリオキシエチレンソルビタン、モノステアリン酸ポリオキシエチレンソルビタン、モノオレイン酸ポリオキシエチレンソルビタン、トリオレイン酸ポリオキシエチレンソルビタン、トリステアリン酸ポリオキシエチレンソルビタン、及びトリイソステアリン酸ポリオキシエチレンソルビタン等が挙げられる。 Examples of the polyoxyethylene sorbitan fatty acid ester include polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, and polyoxyethylene sorbitan trioleate. , Polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan triisostearate and the like.
　上記ポリオキシエチレングリセリン脂肪酸エステルとしては、例えば、ポリオキシエチレン（カプリル／カプリン酸）グリセリル、ポリオキシエチレンヤシ油脂肪酸グリセリン、モノオレイン酸ポリオキシエチレングリセリル、モノミリスチン酸ポリオキシエチレングリセリル、モノステアリン酸ポリオキシエチレングリセリル、モノイソステアリン酸ポリオキシエチレングリセリル、及びトリイソステアリン酸ポリオキシエチレングリセリル等が挙げられる。 Examples of the polyoxyethylene glycerin fatty acid ester include polyoxyethylene (capryl / capric acid) glyceryl, polyoxyethylene coconut oil fatty acid glycerin, monooleic acid polyoxyethylene glyceryl, monomyristic acid polyoxyethylene glyceryl, monostearic acid Examples include polyoxyethylene glyceryl, polyoxyethylene glyceryl monoisostearate, and polyoxyethylene glyceryl triisostearate.
　上記ポリオキシエチレングリセリン脂肪酸エステルにおける酸化エチレンの付加モル数は、特に限定されないが、好ましくは２以上、より好ましくは４以上、好ましくは１００以下、より好ましくは９０以下である。上記ポリオキシエチレングリセリン脂肪酸エステルにおける酸化エチレンの付加モル数が上記下限以上及び上記上限以下であると、上記クレンジング用組成物の保存安定性がより一層良好になる。 The number of added moles of ethylene oxide in the polyoxyethylene glycerin fatty acid ester is not particularly limited, but is preferably 2 or more, more preferably 4 or more, preferably 100 or less, more preferably 90 or less. When the added mole number of ethylene oxide in the polyoxyethylene glycerin fatty acid ester is not less than the above lower limit and not more than the above upper limit, the storage stability of the cleansing composition is further improved.
　上記ポリオキシエチレングリセリン脂肪酸エステルとして、市販品を用いてもよい。ポリオキシエチレン（カプリル／カプリン酸）グリセリルの市販品としては、交洋ファインケミカル社製「ハイバーオイルＣＣ－６」（酸化エチレン付加モル数：６）、コグニスジャパン社製「ＣＥＴＩＯＬ　ＨＥ８１０」（酸化エチレン付加モル数：７）、及びサソール社製「ソフチゲン７６７」（酸化エチレン付加モル数：６）等が挙げられる。モノイソステアリン酸ポリオキシエチレングリセリルの市販品としては、青木油脂工業社製の市販品である「ブラウノン　ＲＧＬ－５ＭＩＳＥ」（酸化エチレン付加モル数：５）、「ＲＧＬ－８ＭＩＳＥ」（酸化エチレン付加モル数：８）、「ＲＧＬ－１０ＭＩＳＥ」（酸化エチレン付加モル数：１０）、及び「ＲＧＬ－２０ＭＩＳＥ」（酸化エチレン付加モル数：２０）等が挙げられる。トリイソステアリン酸ポリオキシエチレングリセリルの市販品としては、青木油脂工業社製「ブラウノン　ＲＧＬ－２０ＴＩＳＥ」（酸化エチレン付加モル数：２０）等が挙げられる。 Commercially available products may be used as the polyoxyethylene glycerin fatty acid ester. Commercially available products of polyoxyethylene (capryl / capric acid) glyceryl include “Hiber Oil CC-6” (6 moles of ethylene oxide added) by Koyo Fine Chemical Co., Ltd. “CETIOL HE810” (ethylene oxide added) by Cognis Japan Number of moles: 7), “Softygen 767” (number of moles of ethylene oxide added: 6) manufactured by Sasol Corporation, and the like. Commercially available products of polyisoethylene glyceryl monoisostearate include commercial products manufactured by Aoki Oil & Fat Co., Ltd. “Brownon RGL-5MISE” (ethylene oxide addition moles: 5), “RGL-8MISE” (ethylene oxide addition moles) : 8), “RGL-10MISE” (number of moles of ethylene oxide added: 10), “RGL-20MISE” (number of moles of ethylene oxide added: 20), and the like. Examples of commercially available polyoxyethylene glyceryl triisostearate include “Brownon RGL-20TISE” (20 moles added ethylene oxide) manufactured by Aoki Oil & Fat Co., Ltd.
　上記モノグリセリン脂肪酸エステルとしては、例えば、ラウリン酸グリセリン、ミリスチン酸グリセリン、ステアリン酸グリセリン、ベヘニン酸グリセリン、オレイン酸グリセリン、イソステアリン酸グリセリン、ヤシ油脂肪酸グリセリン、硬化牛脂油脂肪酸グリセリン、及びラノリン酸グリセリン等が挙げられる。 Examples of the monoglycerin fatty acid esters include lauric acid glycerin, myristic acid glycerin, stearic acid glycerin, behenic acid glycerin, isoleic acid glycerin, coconut oil fatty acid glycerin, hydrogenated beef oil fatty acid glycerin, and lanolinic acid glycerin. Is mentioned.
　上記ポリグリセリン脂肪酸エステルとしては、例えば、ステアリン酸ジグリセリル、オレイン酸ジグリセリル、イソステアリン酸ジグリセリル、ステアリン酸テトラグリセリル、オレイン酸テトラグリセリル、ラウリン酸ヘキサグリセリル、及びステアリン酸デカグリセリル等が挙げられる。 Examples of the polyglyceryl fatty acid ester include diglyceryl stearate, diglyceryl oleate, diglyceryl isostearate, tetraglyceryl stearate, tetraglyceryl oleate, hexaglyceryl laurate, and decaglyceryl stearate.
　上記ポリオキシエチレン脂肪酸アミドとしては、例えば、ラウリン酸ジエタノールアミド、ヤシ油脂肪酸ジエタノールアミド、及びポリオキシエチレンステアリン酸アミド等が挙げられる。 Examples of the polyoxyethylene fatty acid amide include lauric acid diethanolamide, coconut oil fatty acid diethanolamide, and polyoxyethylene stearic acid amide.
　上記ソルビタン脂肪酸エステルとしては、例えば、モノオレイン酸ソルビタン、モノステアリン酸ソルビタン、モノイソステアリン酸ソルビタン、及びモノラウリン酸ソルビタン等が挙げられる。 Examples of the sorbitan fatty acid ester include sorbitan monooleate, sorbitan monostearate, sorbitan monoisostearate, and sorbitan monolaurate.
　上記ポリオキシエチレン硬化ヒマシ油における酸化エチレンの付加モル数は、特に限定されないが、好ましくは２０以上、より好ましくは４０以上、好ましくは１００以下、より好ましくは８０以下である。上記ポリオキシエチレン硬化ヒマシ油における酸化エチレンの付加モル数が上記下限以上及び上記上限以下であると、上記クレンジング用組成物の保存安定性がより一層良好になる。 The number of added moles of ethylene oxide in the polyoxyethylene hydrogenated castor oil is not particularly limited, but is preferably 20 or more, more preferably 40 or more, preferably 100 or less, more preferably 80 or less. When the added mole number of ethylene oxide in the polyoxyethylene hydrogenated castor oil is not less than the above lower limit and not more than the above upper limit, the storage stability of the cleansing composition is further improved.
　上記ポリオキシエチレン硬化ヒマシ油として、市販品を用いてもよい。ポリオキシエチレン硬化ヒマシ油の市販品としては、例えば、花王社製「エマノーン　ＣＨ－４０」（酸化エチレン付加モル数：４０）、及び日本エマルジョン社製「ＥＭＡＬＥＸ　ＨＣ－８０」（酸化エチレン付加モル数：８０）等が挙げられる。 Commercially available products may be used as the polyoxyethylene hydrogenated castor oil. Commercially available products of polyoxyethylene hydrogenated castor oil include, for example, “Emanon CH-40” manufactured by Kao Corporation (number of moles of ethylene oxide added: 40), and “EMALEX HC-80” manufactured by Nippon Emulsion Co., Ltd. (number of moles of ethylene oxide added). : 80) and the like.
　防腐効果を高く維持しつつ、クレンジング力をより一層良好にする観点からは、上記非イオン性界面活性剤は、ポリオキシエチレン脂肪酸、ポリオキシエチレングリセリン脂肪酸エステル、又はポリオキシエチレン硬化ヒマシ油であることが好ましい。この場合に、ポリオキシエチレン脂肪酸、ポリオキシエチレングリセリン脂肪酸、及びポリオキシエチレン硬化ヒマシ油の内の１種のみを用いてもよく、２種以上を用いてもよい。 From the viewpoint of further improving the cleansing power while maintaining a high antiseptic effect, the nonionic surfactant is a polyoxyethylene fatty acid, a polyoxyethylene glycerin fatty acid ester, or a polyoxyethylene hydrogenated castor oil. It is preferable. In this case, only 1 type may be used among polyoxyethylene fatty acid, polyoxyethylene glycerin fatty acid, and polyoxyethylene hydrogenated castor oil, and 2 or more types may be used.
　（Ｂ）非イオン性界面活性剤のＨＬＢ値は好ましくは６以上、より好ましくは７以上、好ましくは１４以下、より好ましくは１２以下である。ＨＬＢ値が上記下限以上及び上記上限以下であると、クレンジング力がより一層高くなる。 (B) The HLB value of the nonionic surfactant is preferably 6 or more, more preferably 7 or more, preferably 14 or less, more preferably 12 or less. When the HLB value is not less than the above lower limit and not more than the above upper limit, the cleansing force is further increased.
　上記クレンジング用組成物１００質量％中、（Ｂ）非イオン性界面活性剤の含有量は、好ましくは１質量％以上、より好ましくは３質量％以上、好ましくは７質量％以下、より好ましくは５質量％以下である。（Ｂ）非イオン性界面活性剤の含有量が上記下限以上であると、クレンジング力がより一層高くなる。（Ｂ）非イオン性界面活性剤の含有量が上記上限以下であると、防腐効果の低下がより一層抑えられる。 In 100% by mass of the cleansing composition, the content of (B) the nonionic surfactant is preferably 1% by mass or more, more preferably 3% by mass or more, preferably 7% by mass or less, more preferably 5%. It is below mass%. (B) When the content of the nonionic surfactant is not less than the above lower limit, the cleansing force is further increased. (B) When content of a nonionic surfactant is below the said upper limit, the fall of antiseptic effect is suppressed further.
　（（Ｃ）ポリアミノプロピルビグアニド）
　上記クレンジング用組成物が（Ｃ）ポリアミノプロピルビグアニドを含むことにより、防腐効果が効果的に良好になる。クレンジング用組成物がシート基材に含浸されているクレンジングシートにおいて、高いクレンジング力と優れた防腐効果との双方を両立するために、（Ｃ）ポリアミノプロピルビグアニドを用いることには大きな意味がある。 ((C) polyaminopropyl biguanide)
When the cleansing composition contains (C) polyaminopropyl biguanide, the antiseptic effect is effectively improved. In the cleansing sheet in which the cleansing composition is impregnated in the sheet base material, it is significant to use (C) polyaminopropyl biguanide in order to achieve both high cleansing power and excellent antiseptic effect.
　上記ポリアミノプロピルビグアニドとして、市販品を用いてもよい。ポリアミノプロピルビグアニドの市販品としては、Ａｒｃｈ　Ｃｈｅｍｉｃａｌｓ社製「ＣＯＳＭＯＳＩＬ　ＣＱ」等が挙げられる。 Commercially available products may be used as the polyaminopropyl biguanide. Examples of commercially available products of polyaminopropyl biguanide include “COSMOSIL CQ” manufactured by Arch Chemicals.
　上記クレンジング用組成物１００質量％中、（Ｃ）ポリアミノプロピルビグアニドの含有量は、好ましくは０．００１質量％以上、より好ましくは０．００５質量％以上、更に好ましくは０．０１質量％以上、好ましくは１質量％以下、より好ましくは０．５質量％以下、更に好ましくは０．１質量％以下である。（Ｃ）ポリアミノプロピルビグアニドの含有量が上記下限以上であると、防腐効果がより一層良好になる。（Ｃ）ポリアミノプロピルビグアニドの含有量が上記上限以下であると、防腐効果がより一層良好になる。 In 100% by mass of the cleansing composition, the content of (C) polyaminopropyl biguanide is preferably 0.001% by mass or more, more preferably 0.005% by mass or more, still more preferably 0.01% by mass or more, Preferably it is 1 mass% or less, More preferably, it is 0.5 mass% or less, More preferably, it is 0.1 mass% or less. When the content of (C) polyaminopropyl biguanide is not less than the above lower limit, the antiseptic effect is further improved. When the content of (C) polyaminopropyl biguanide is not more than the above upper limit, the antiseptic effect is further improved.
　特に（Ｃ）ポリアミノプロピルビグアニドの含有量は、０．００５質量％以上、０．５質量％以下であることが好ましい。この場合には、防腐効果がかなり効果的に良好になる。 In particular, the content of (C) polyaminopropyl biguanide is preferably 0.005% by mass or more and 0.5% by mass or less. In this case, the antiseptic effect becomes considerably effective.
　（（Ｄ）多価アルコール）
　上記クレンジング用組成物が（Ｄ）多価アルコールを含むことにより、肌の保湿感が効果的に良好になる。 ((D) polyhydric alcohol)
When the cleansing composition contains (D) polyhydric alcohol, the moisturizing feeling of the skin is effectively improved.
　（Ｄ）多価アルコールとしては、例えば、エチレングリコール、ジエチレングリコール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、ポリプロピレングリコール、グリセリン、ジグリセリン、ポリグリセリン、１，３－ブチレングリコール、イソプレングリコール、ソルビトール、マルチトール、マンニトール、グルコール、１，２－ブタンジオール、１，２－ペンタンジオール、１，２－ヘキサンジオール、１，２－ヘプタンジオール、１，２－オクタンジオール、１，２－ノナンジオール、及び１，２－デカンジオール等が挙げられる。（Ｄ）多価アルコールは１種のみが用いられてもよく、２種以上が用いられてもよい。 (D) Examples of the polyhydric alcohol include ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, glycerin, diglycerin, polyglycerin, 1,3-butylene glycol, isoprene glycol, sorbitol, multi Tall, mannitol, glycol, 1,2-butanediol, 1,2-pentanediol, 1,2-hexanediol, 1,2-heptanediol, 1,2-octanediol, 1,2-nonanediol, and 1 , 2-decanediol and the like. (D) As for polyhydric alcohol, only 1 type may be used and 2 or more types may be used.
　防腐力を高く維持し、かつクレンジング後のさっぱり感をも効果的に高くする観点からは、（Ｄ）多価アルコールは、プロピレングリコール又は１，３－ブチレングリコールであることが好ましい。 From the viewpoint of maintaining a high preservative power and effectively increasing the refreshing feeling after cleansing, the (D) polyhydric alcohol is preferably propylene glycol or 1,3-butylene glycol.
　上記クレンジング用組成物１００質量％中、（Ｄ）多価アルコールの含有量は、好ましくは０．５質量％以上、より好ましくは２．５質量％以上、更に好ましくは５質量％以上、好ましくは１０質量％以下、より好ましくは８質量％以下である。（Ｄ）多価アルコールの含有量が上記下限以上であると、防腐効果がより一層高くなり、かつ保湿感がより一層良好になる。（Ｄ）多価アルコールの含有量が上記上限以下であると、クレンジング後のさっぱり感がより一層良好になる。本発明では、（Ｄ）多価アルコールの含有量が１０質量％以下であっても、良好な防腐効果が得られる。 In 100% by mass of the cleansing composition, the content of the (D) polyhydric alcohol is preferably 0.5% by mass or more, more preferably 2.5% by mass or more, further preferably 5% by mass or more, preferably It is 10 mass% or less, More preferably, it is 8 mass% or less. (D) When content of a polyhydric alcohol is more than the said minimum, antiseptic effect will become still higher and a moisturizing feeling will become still better. (D) The refreshing feeling after cleansing becomes still more favorable that content of a polyhydric alcohol is below the said upper limit. In the present invention, even when the content of the (D) polyhydric alcohol is 10% by mass or less, a good antiseptic effect can be obtained.
　（（Ｅ）エタノール）
　上記クレンジング用組成物は、（Ｅ）エタノールを含まないか、又は（Ｅ）エタノールを５質量％以下で含む。すなわち、上記クレンジング用組成物が（Ｅ）エタノールを含む場合に、（Ｅ）エタノールの含有量は最大でも５質量％である。一般に、（Ｅ）エタノールの含有量が５質量％以下であると防腐効果が低くなる傾向があるが、本発明では、特定の（Ａ）～（Ｄ）成分を組み合わせているので、防腐効果を十分に高くすることができる。 ((E) ethanol)
The cleansing composition does not contain (E) ethanol or contains (E) ethanol at 5% by mass or less. That is, when the cleansing composition contains (E) ethanol, the content of (E) ethanol is at most 5% by mass. In general, when the content of (E) ethanol is 5% by mass or less, the antiseptic effect tends to be low. However, in the present invention, since the specific components (A) to (D) are combined, the antiseptic effect is improved. Can be high enough.
　防腐効果をより一層高める観点からは、（Ｅ）エタノールの含有量は高い方がよい。一方で、皮膚の刺激及び眼の刺激をより一層抑える観点からは、（Ｅ）エタノールの含有量は低い方がよい。特に、クレンジング用シート材では、皮膚の刺激及び眼の刺激は使用上大きな問題になることがある。本発明では、エタノールの含有量が５質量％以下であるため、皮膚の刺激及び眼の刺激を十分に抑えることができる。 From the viewpoint of further enhancing the antiseptic effect, it is better that the content of (E) ethanol is high. On the other hand, from the viewpoint of further suppressing skin irritation and eye irritation, the content of (E) ethanol is preferably low. In particular, with a cleansing sheet material, skin irritation and eye irritation can be a major problem in use. In the present invention, since the ethanol content is 5% by mass or less, skin irritation and eye irritation can be sufficiently suppressed.
　上記クレンジング用組成物１００質量％中、（Ｅ）エタノールの含有量は、好ましくは０質量％以上（未使用を含む）、より好ましくは０．５質量％以上、更に好ましくは１質量％以上、５質量％以下、好ましくは４．５質量％以下、より一層好ましくは４質量％以下、更に好ましくは３．５質量％以下、更に一層好ましくは３質量％以下、特に好ましくは２．５質量％以下、最も好ましくは２質量％以下である。（Ｅ）エタノールの含有量が上記下限以上であると、防腐効果がより一層良好になる。（Ｅ）エタノールの含有量が上記上限以下であると、皮膚の刺激及び眼の刺激がより一層抑えられる。また、皮膚の刺激及び眼の刺激を更に一層抑える観点からは、（Ｅ）エタノールの含有量は、１．５質量％以下であってもよく、１質量％以下であってもよく、０．５質量％以下であってもよく、０．１質量％以下であってもよい。 In 100% by mass of the cleansing composition, the content of (E) ethanol is preferably 0% by mass or more (including unused), more preferably 0.5% by mass or more, still more preferably 1% by mass or more, 5% by mass or less, preferably 4.5% by mass or less, more preferably 4% by mass or less, further preferably 3.5% by mass or less, still more preferably 3% by mass or less, particularly preferably 2.5% by mass. Hereinafter, it is most preferably 2% by mass or less. (E) When the content of ethanol is not less than the above lower limit, the antiseptic effect is further improved. (E) When the content of ethanol is not more than the above upper limit, skin irritation and eye irritation are further suppressed. From the viewpoint of further suppressing skin irritation and eye irritation, the content of (E) ethanol may be 1.5% by mass or less, 1% by mass or less, and 0. 5 mass% or less may be sufficient, and 0.1 mass% or less may be sufficient.
　（（Ｆ）防腐剤）
　（Ｆ）防腐剤は、（Ｃ）ポリアミノプロピルビグアニドとは異なりかつ（Ｅ）エタノールとは異なる。なお、（Ｆ）防腐剤は、（Ｄ）多価アルコールとも異なる。（Ｃ）ポリアミノプロピルビグアニドとともに、（Ｆ）防腐剤を用いることにより、防腐効果がより一層効果的に発揮される。 ((F) Preservative)
(F) The preservative is different from (C) polyaminopropyl biguanide and different from (E) ethanol. Note that (F) the preservative is different from (D) the polyhydric alcohol. By using (F) preservative together with (C) polyaminopropyl biguanide, the antiseptic effect is more effectively exhibited.
　（Ｆ）防腐剤としては、特に限定されないが、例えば、メチルパラベン、エチルパラベン、プロピルパラベン、ブチルパラベン等のパラオキシ安息香酸エステル；フェノキシエタノール；安息香酸ナトリウム等が挙げられる。（Ｆ）防腐剤は、１種のみが用いられてもよく、２種以上が併用されてもよい。 (F) The preservative is not particularly limited, and examples thereof include paraoxybenzoic acid esters such as methylparaben, ethylparaben, propylparaben, and butylparaben; phenoxyethanol; sodium benzoate and the like. (F) As for a preservative, only 1 type may be used and 2 or more types may be used together.
　防腐効果を効果的に高める観点からは、上記クレンジング用組成物は、（Ｆ）防腐剤として、パラオキシ安息香酸エステル、フェノキシエタノール又は安息香酸ナトリウムを含むことが好ましい。この場合に、パラオキシ安息香酸エステル、フェノキシエタノール及び安息香酸ナトリウムの内の１種のみを用いてもよく、２種以上を用いてもよい。 From the standpoint of effectively enhancing the antiseptic effect, the cleansing composition preferably contains paraoxybenzoic acid ester, phenoxyethanol or sodium benzoate as the preservative (F). In this case, only one of paraoxybenzoic acid ester, phenoxyethanol and sodium benzoate may be used, or two or more may be used.
　防腐効果をより一層効果的に高める観点からは、上記クレンジング用組成物は、（Ｆ）防腐剤として、パラオキシ安息香酸エステルを含むことが好ましい。 From the viewpoint of further enhancing the antiseptic effect, the cleansing composition preferably contains a paraoxybenzoic acid ester as (F) an antiseptic.
　上記クレンジング用組成物１００質量％中、（Ｆ）防腐剤の含有量は、好ましくは０質量％以上（未使用を含む）、より好ましくは０．３質量％以上、更に好ましくは０．５質量％以上、好ましくは１質量％以下、より好ましくは０．９質量％以下である。（Ｆ）防腐剤の含有量が上記下限以上及び上記上限以下であると、防腐効果がより一層良好になる。 In 100% by mass of the cleansing composition, the content of (F) preservative is preferably 0% by mass or more (including unused), more preferably 0.3% by mass or more, and further preferably 0.5% by mass. % Or more, preferably 1% by mass or less, more preferably 0.9% by mass or less. (F) When the content of the preservative is not less than the above lower limit and not more than the above upper limit, the antiseptic effect is further improved.
　（（Ｇ）陰イオン性界面活性剤）
　上記クレンジング用組成物が（Ｇ）陰イオン性界面活性剤を含むことにより、高温安定性が効果的に良好になる。 ((G) anionic surfactant)
When the cleansing composition contains (G) an anionic surfactant, high-temperature stability is effectively improved.
　（Ｇ）陰イオン性界面活性剤としては、脂肪酸塩、アルキルエーテルカルボン酸塩、アシル乳酸塩、Ｎ－アシルサルコシン塩、Ｎ－アシルグルタミン酸塩、Ｎ－アシルメチルアラニン塩、Ｎ－アシルメチルタウリン塩、アルカンスルホン酸塩、α－オレフィンスルホン酸塩、α－スルホ脂肪酸メチルエステル塩、アルキルスルホコハク酸塩、アシルイセチオン酸塩、アルキル硫酸エステル塩、アルキルエーテル硫酸エステル塩、高級脂肪酸アルカノールアミド硫酸エステル塩、モノアルキルリン酸エステル塩、及びポリオキシエチレンアルキルエーテルリン酸エステル塩等が挙げられる。（Ｇ）陰イオン性界面活性剤は、１種のみが用いられてもよく、２種以上が用いられてもよい。 (G) Anionic surfactants include fatty acid salts, alkyl ether carboxylates, acyl lactates, N-acyl sarcosine salts, N-acyl glutamates, N-acyl methyl alanine salts, N-acyl methyl taurine salts. , Alkane sulfonate, α-olefin sulfonate, α-sulfo fatty acid methyl ester salt, alkyl sulfosuccinate, acyl isethionate, alkyl sulfate ester, alkyl ether sulfate ester, higher fatty acid alkanolamide sulfate, mono Examples thereof include alkyl phosphate ester salts and polyoxyethylene alkyl ether phosphate ester salts. (G) As for anionic surfactant, only 1 type may be used and 2 or more types may be used.
　使用感をより一層良好にする観点から、（Ｇ）陰イオン性界面活性剤は、Ｎ－アシルグルタミン酸塩であることが好ましく、中でも、Ｎ－ヤシ油脂肪酸アシル－Ｌ－グルタミン酸ナトリウム、Ｎ－ステアロイル－Ｌ－グルタミン酸ナトリウム、Ｎ－ヤシ油脂肪酸アシル－Ｌ－グルタミン酸トリエタノールアミンであることがより好ましい。 From the viewpoint of further improving the feeling in use, the (G) anionic surfactant is preferably an N-acyl glutamate, and among them, N-coconut oil fatty acid acyl-sodium L-glutamate, N-stearoyl -L-glutamic acid sodium, N-coconut oil fatty acid acyl-L-glutamic acid triethanolamine are more preferable.
　上記Ｎ－アシルグルタミン酸塩として、市販品を用いてもよい。Ｎ－ヤシ油脂肪酸アシル－Ｌ－グルタミン酸ナトリウムの市販品としては、例えば、味の素ヘルシーサプライ社製「Ａｍｉｓｏｆｔ　ＥＣＳ－２２」及び「アミソフト　ＣＳ－２２」等が挙げられる。Ｎ－ステアロイル－Ｌ－グルタミン酸ナトリウムの市販品としては、例えば、味の素ヘルシーサプライ社製「アミソフト　ＨＳ－１１Ｐ」等が挙げられる。Ｎ－ヤシ油脂肪酸アシル－Ｌ－グルタミン酸トリエタノールアミンの市販品としては、例えば、味の素ヘルシーサプライ社製「アミソフト　ＣＴ－１２」等が挙げられる。 Commercially available products may be used as the N-acyl glutamate. Examples of commercially available products of N-coconut oil fatty acid acyl-L-glutamate sodium include “Amissoft ECS-22” and “Amisoft CS-22” manufactured by Ajinomoto Healthy Supply Co., Ltd. Examples of commercial products of sodium N-stearoyl-L-glutamate include “Amisoft HS-11P” manufactured by Ajinomoto Healthy Supply Co., Ltd. Examples of commercially available products of N-coconut oil fatty acyl-L-glutamic acid triethanolamine include “Amisoft CT-12” manufactured by Ajinomoto Healthy Supply Co., Ltd.
　上記クレンジング用組成物１００質量％中、（Ｇ）陰イオン性界面活性剤の含有量は、好ましくは０質量％以上（未使用を含む）、より好ましくは０．０１質量％以上、更に好ましくは０．０５質量％以上、好ましくは０．２質量％以下、より好ましくは０．１質量％以下である。（Ｇ）陰イオン性界面活性剤の含有量が上記下限以上及び上記上限以下であると、高温安定性がより一層良好になる。 In 100% by mass of the cleansing composition, the content of (G) anionic surfactant is preferably 0% by mass or more (including unused), more preferably 0.01% by mass or more, and still more preferably. It is 0.05 mass% or more, Preferably it is 0.2 mass% or less, More preferably, it is 0.1 mass% or less. (G) When the content of the anionic surfactant is not less than the above lower limit and not more than the above upper limit, the high temperature stability is further improved.
　（他の成分）
　上記クレンジング用組成物は、本発明の効果を阻害しない範囲で、油脂、ロウ類、炭化水素油、高級脂肪酸、高級アルコール、脂肪酸エステル、シリコーン、陽イオン性界面活性剤、両性界面活性剤、清涼剤、抗酸化剤、金属封鎖剤、ビタミン類、動植物抽出エキス、パール化剤、及び着色剤等の他の成分を含んでいてもよい。これらの他の成分は、１種のみが用いられてもよく、２種以上が用いられてもよい。 (Other ingredients)
The cleansing composition is within the range not inhibiting the effects of the present invention, such as fats and oils, waxes, hydrocarbon oils, higher fatty acids, higher alcohols, fatty acid esters, silicones, cationic surfactants, amphoteric surfactants, cooling agents. It may contain other components such as agents, antioxidants, sequestering agents, vitamins, animal and plant extracts, pearling agents, and coloring agents. As for these other components, only 1 type may be used and 2 or more types may be used.
　上記油脂としては、例えば、ヒマワリ油、綿実油、大豆油、オリーブ油、ヤシ油、ヒマシ油、ホホバ油、椿油、及びミンク油等が挙げられる。 Examples of the oil include sunflower oil, cottonseed oil, soybean oil, olive oil, coconut oil, castor oil, jojoba oil, coconut oil, and mink oil.
　上記ロウ類としては、例えば、カルナウバロウ、キャンデリラロウ、ミツロウ、コメヌカロウ、セラックロウ、鯨ロウ、及びラノリン等が挙げられる。 Examples of the waxes include carnauba wax, candelilla wax, beeswax, rice bran wax, shellac wax, whale wax, and lanolin.
　上記炭化水素油としては、例えば、軽質イソパラフィン、軽質流動イソパラフィン、合成スクワラン、植物性スクワラン、スクワラン、セレシン、パラフィン、流動パラフィン、流動イソパラフィン、マイクロクリスタリンワックス、ポリエチレン末、ポリエチレンワックス、及びワセリン等が挙げられる。 Examples of the hydrocarbon oil include light isoparaffin, light liquid isoparaffin, synthetic squalane, vegetable squalane, squalane, ceresin, paraffin, liquid paraffin, liquid isoparaffin, microcrystalline wax, polyethylene powder, polyethylene wax, and petrolatum. It is done.
　上記高級脂肪酸としては、例えば、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、ベヘニン酸、ウンデシレン酸、ラノリン酸、及びイソステアリン酸等が挙げられる。 Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, behenic acid, undecylenic acid, lanolinic acid, and isostearic acid.
　上記高級アルコールとしては、例えば、ラウリルアルコール、ミリスチルアルコール、セチルアルコール、ステアリルアルコール、オレイルアルコール、ラノリンアルコール、ベヘニルアルコール、セトステアリルアルコール、オクチルデカノール、及びデシルテトラデカノール等が挙げられる。 Examples of the higher alcohol include lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, lanolin alcohol, behenyl alcohol, cetostearyl alcohol, octyl decanol, and decyl tetradecanol.
　上記脂肪酸エステルとしては、例えば、オレイン酸エチル、ミリスチン酸イソプロピル、パルミチン酸イソプロピル、ミリスチン酸ミリスチル、パルミチン酸セチル、オレイン酸オレイル、ミリスチン酸オクチルドデシル、オレイン酸オクチルドデシル、イソステアリン酸エチル、イソステアリン酸イソプロピル、２－エチルヘキサン酸セチル、２－エチルヘキサン酸セトステアリル、オクタン酸イソセチル、オクタン酸イソステアリル、イソステアリン酸イソプロピル、イソステアリン酸イソセチル、イソステアリン酸オクチルドデシル、ジメチルオクタン酸オクチルドデシル、ジオレイン酸エチレングリコール、ジカプリル酸プロピレングリコール、ジカプリン酸プロピレングリコール、ジ（カプリル／カプリン酸）プロピレングリコール、イソステアリン酸プロピレングリコール、ジカプリン酸ネオペンチルグリコール、トリ２－エチルヘキサン酸グリセリル、トリイソパルミチン酸グリセリル、及びテトラ２－エチルヘキサン酸ペンタエリスリトール等が挙げられる。 Examples of the fatty acid ester include ethyl oleate, isopropyl myristate, isopropyl palmitate, myristyl myristate, cetyl palmitate, oleyl oleate, octyldodecyl myristate, octyldodecyl oleate, ethyl isostearate, isopropyl isostearate, Cetyl 2-ethylhexanoate, cetostearyl 2-ethylhexanoate, isocetyl octoate, isostearyl octoate, isopropyl isostearate, isocetyl isostearate, octyldodecyl isostearate, octyldodecyl dimethyloctanoate, ethylene glycol dioleate, dicaprylic acid Propylene glycol, propylene glycol dicaprate, di (capryl / capric acid) propylene glycol Le, propylene glycol isostearate, neopentyl glycol dicaprate, glyceryl tri-2-ethylhexanoate, triisopalmitate, glyceryl, and tetra-2-ethylhexanoate and pentaerythritol.
　上記シリコーンとしては、ストレートシリコーン及び環状シリコーン等が挙げられる。上記ストレートシリコーンとしては、例えば、オクタメチルトリシロキサン、テトラデカメチルヘキサシロキサン、メチルポリシロキサン、高重合メチルポリシロキサン、メチルフェニルポリシロキサン、及びメチルハイドロジェンポリシロキサン等が挙げられる。上記環状シリコーンとしては、例えば、メチルシクロポリシロキサン、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサン、及びドデカメチルシクロヘキサシロキサン等が挙げられる。上記シリコーンとして、変性シリコーンを用いてもよい。上記変性シリコーンとしては、例えば、アルコール変性シリコーン、アルキル変性シリコーン、アミノ変性シリコーン、ポリエーテル変性シリコーン、及びエポキシ変性シリコーン等が挙げられる。 Examples of the silicone include straight silicone and cyclic silicone. Examples of the straight silicone include octamethyltrisiloxane, tetradecamethylhexasiloxane, methylpolysiloxane, highly polymerized methylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane. Examples of the cyclic silicone include methylcyclopolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane. A modified silicone may be used as the silicone. Examples of the modified silicone include alcohol-modified silicone, alkyl-modified silicone, amino-modified silicone, polyether-modified silicone, and epoxy-modified silicone.
　上記陽イオン性界面活性剤としては、アルキルアミン塩及び脂肪酸アミドアミン等が挙げられる。上記アルキルアミン塩としては、例えば、塩化ラウリルトリメチルアンモニウム、塩化ステアリルトリメチルアンモニウム、及び塩化ジステアリルジメチルアンモニウム等が挙げられる。上記脂肪酸アミドアミンとしては、例えば、ミリスチン酸ジメチルアミノエチルアミド、及びステアリン酸ジエチルアミノプロピルアミド等が挙げられる。 Examples of the cationic surfactant include alkylamine salts and fatty acid amidoamines. Examples of the alkylamine salt include lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, and distearyldimethylammonium chloride. Examples of the fatty acid amidoamine include myristic acid dimethylaminoethylamide and stearic acid diethylaminopropylamide.
　上記両性界面活性剤としては、例えば、アルキルグリシン塩、カルボキシメチルグリシン塩、Ｎ－アシルアミノエチル－Ｎ－２－ヒドロキシエチルグリシン塩、アルキルポリアミノポリカルボキシグリシン塩、アルキルアミノプロピオン酸塩、アルキルアミノジプロピオン酸塩、Ｎ－アシルアミノエチル－Ｎ－２－ヒドロキシエチルプロピオン酸塩、アルキルジメチルアミノ酢酸ベタイン、脂肪酸アミドプロピルジメチルアミノ酢酸ベタイン、アルキルジヒドロキシエチルアミノ酢酸ベタイン、Ｎ－アルキル－Ｎ，Ｎ－ジメチルアンモニウム－Ｎ－プロピルスルホン酸塩、Ｎ－アルキル－Ｎ，Ｎ－ジメチルアンモニウム－Ｎ－（２－ヒドロキシプロピル）スルホン酸塩、及びＮ－脂肪酸アミドプロピル－Ｎ，Ｎ－ジメチルアンモニウム－Ｎ－（２－ヒドロキシプロピル）スルホン酸塩等が挙げられる。 Examples of the amphoteric surfactants include alkyl glycine salts, carboxymethyl glycine salts, N-acylaminoethyl-N-2-hydroxyethyl glycine salts, alkyl polyamino polycarboxy glycine salts, alkyl amino propionates, alkyl amino diacids. Propionate, N-acylaminoethyl-N-2-hydroxyethylpropionate, alkyldimethylaminoacetic acid betaine, fatty acid amidopropyldimethylaminoacetic acid betaine, alkyldihydroxyethylaminoacetic acid betaine, N-alkyl-N, N-dimethyl Ammonium-N-propylsulfonate, N-alkyl-N, N-dimethylammonium-N- (2-hydroxypropyl) sulfonate, and N-fatty acid amidopropyl-N, N-dimethylammonium-N (2-hydroxypropyl) sulfonic acid salts, and the like.
　（シート基材）
　上記シート基材の材料は、上記クレンジング用組成物を含浸可能であれば特に限定されない。通常化粧品として用いられるシート基材を適宜使用可能である。 (Sheet base material)
The material for the sheet base material is not particularly limited as long as it can be impregnated with the cleansing composition. A sheet base material usually used as a cosmetic can be used as appropriate.
　上記シート基材としては、天然繊維、合成繊維又は半天然繊維からなる織布又は不織布等が挙げられる。含浸性及び使用感をより一層良好にする観点からは、上記シート基材は、不織布であることが好ましい。 Examples of the sheet base material include woven fabrics and nonwoven fabrics made of natural fibers, synthetic fibers, or semi-natural fibers. From the viewpoint of further improving the impregnation property and feeling of use, the sheet base material is preferably a nonwoven fabric.
　上記天然繊維としては、綿、パルプ、シルク、セルロース、麻、リンター、及びカボック等が挙げられる。上記合成繊維としては、ナイロン、ポリエステル繊維、ポリアクリル繊維、ポリプロピレン繊維、ポリエチレン繊維、及びポリエチレンテレフタレート繊維等が挙げられる。上記半天然繊維としては、レーヨン、及びアセテート等が挙げられる。上記の繊維は、１種のみが用いられてもよく、２種以上が用いられてもよい。 Examples of the natural fiber include cotton, pulp, silk, cellulose, hemp, linter, and kabok. Examples of the synthetic fiber include nylon, polyester fiber, polyacrylic fiber, polypropylene fiber, polyethylene fiber, and polyethylene terephthalate fiber. Examples of the semi-natural fiber include rayon and acetate. As for said fiber, only 1 type may be used and 2 or more types may be used.
　上記シート基材の表面は、エンボス加工されていてもよい。また、上記シート基材には、フィルム基材が含まれる。 The surface of the sheet base material may be embossed. The sheet base material includes a film base material.
　上記シート基材に上記クレンジング用組成物を含浸させる方法は特に限定されず、公知の方法が採用可能である。 The method for impregnating the sheet base material with the cleansing composition is not particularly limited, and a known method can be employed.
　上記シート基材に含浸させる上記クレンジング用組成物の量は、シート基材１質量部に対して、好ましくは１質量部以上、より好ましくは３質量部以上、好ましくは７質量部以下、より好ましくは６質量部以下である。上記クレンジング用組成物の含浸量が上記下限以上であると、クレンジング力がより一層高くなる。上記クレンジング用組成物の含浸量が上記上限以下であると、シート基材に上記クレンジング用組成物がより一層良好に含浸され、含浸状態をより一層良好に維持できる。 The amount of the cleansing composition impregnated in the sheet base is preferably 1 part by weight or more, more preferably 3 parts by weight or more, preferably 7 parts by weight or less, more preferably 1 part by weight of the sheet base. Is 6 parts by mass or less. When the impregnation amount of the cleansing composition is equal to or more than the lower limit, the cleansing force is further increased. When the impregnation amount of the cleansing composition is less than or equal to the above upper limit, the cleansing composition is more satisfactorily impregnated into the sheet base material, and the impregnated state can be maintained better.
　以下、本発明について、実施例及び比較例を挙げて具体的に説明する。本発明は、以下の実施例のみに限定されない。 Hereinafter, the present invention will be specifically described with reference to examples and comparative examples. The present invention is not limited only to the following examples.
　実施例及び比較例では、下記の成分を用いた。 In the examples and comparative examples, the following components were used.
　（（Ａ）水）
　精製水 ((A) water)
purified water
　（（Ｂ）非イオン性界面活性剤）
　ポリオキシエチレン（カプリル／カプリン酸）グリセリル（交洋ファインケミカル社製「ハイバーオイル　ＣＣ－６」、酸化エチレン付加モル数：６）
　ポリオキシエチレンヤシ油脂肪酸グリセリル（ミヨシ油脂社製「Ｍファインオイル　ＣＯＧ－７Ｍ」、酸化エチレン付加モル数：７） ((B) nonionic surfactant)
Polyoxyethylene (capryl / capric acid) glyceryl (Kyoyo Fine Chemical Co., Ltd. “Hiber Oil CC-6”, ethylene oxide addition moles: 6)
Polyoxyethylene coconut oil fatty acid glyceryl (“M Fine Oil COG-7M” manufactured by Miyoshi Oil & Fats Co., Ltd., ethylene oxide addition moles: 7)
　（（Ｃ）ポリアミノプロピルビグアニド）
　ポリアミノプロピルビグアニド（Ａｒｃｈ　ＵＫ　Ｂｉｏｃｉｄｅｓ社製「ＣＯＳＭＯＣＩＬ　ＣＱ」） ((C) polyaminopropyl biguanide)
Polyaminopropyl biguanide (“COSMOCIL CQ” manufactured by Arch UK Biocides)
　（（Ｄ）多価アルコール）
　プロピレングリコール
　１，３－ブチレングリコール ((D) polyhydric alcohol)
Propylene glycol 1,3-butylene glycol
　（（Ｅ）エタノール）
　エタノール ((E) ethanol)
ethanol
　（（Ｆ）防腐剤）
　メチルパラベン
　フェノキシエタノール
　安息香酸ナトリウム ((F) Preservative)
Methylparaben Phenoxyethanol Sodium benzoate
　（（Ｇ）陰イオン性界面活性剤）
　Ｎ－ヤシ油脂肪酸アシル－Ｌ－グルタミン酸ナトリウム（味の素ヘルシーサプライ社製「Ａｍｉｓｏｆｔ　ＥＣＳ－２２」） ((G) anionic surfactant)
N-coconut oil fatty acid acyl-sodium L-glutamate (“Amisof ECS-22” manufactured by Ajinomoto Healthy Supply)
　（実施例１～１０及び比較例１～８）
　下記の表１に示す配合成分を配合（配合単位は質量％）し、クレンジング用組成物を調製した。 (Examples 1 to 10 and Comparative Examples 1 to 8)
The blending components shown in Table 1 below were blended (the blending unit was mass%) to prepare a cleansing composition.
　シート基材として、パルプ／レーヨン（三昭紙業社製「ＫＰ９３４０」）の不織布を用意した。上記シート基材に、上記クレンジング用組成物を含浸させて、クレンジングシート（シート化粧料）を得た。なお、不織布１枚あたり、上記クレンジング用組成物４．０ｍＬを含浸させた。この結果、不織布１質量部に対して、上記クレンジング用組成物４質量部を含浸させた。 A non-woven fabric of pulp / rayon (“KP9340” manufactured by Sansho Paper Industry Co., Ltd.) was prepared as a sheet base material. The sheet base material was impregnated with the cleansing composition to obtain a cleansing sheet (sheet cosmetic). In addition, 4.0 mL of the cleansing composition was impregnated per nonwoven fabric. As a result, 1 part by mass of the nonwoven fabric was impregnated with 4 parts by mass of the cleansing composition.
　（試験例１：クレンジング力の評価）
　メイクを施した女性専門パネル２０名が、得られたクレンジングシートを用いて、メイクの拭き取り除去をおこない、クレンジング力を下記の基準で評価した。 (Test Example 1: Evaluation of cleansing power)
Twenty female professional panels who applied makeup performed wiping off of the makeup using the obtained cleansing sheet and evaluated the cleansing power according to the following criteria.
　＜クレンジング力の評価基準＞
　○○（かなり良好）：２０名中１６名以上が、クレンジング力が高いと回答
　○（良好）：２０名中１１～１５名が、クレンジング力が高いと回答
　△（不十分）：２０名中６～１０名が、クレンジング力が高いと回答
　×（不良）：２０名中５名以下が、クレンジング力が高いと回答 <Evaluation criteria for cleansing power>
○○ (very good): More than 16 out of 20 responded that cleansing power is high ○ (good): 11-15 out of 20 responded that cleansing power was high △ (insufficient): out of 20 6-10 respondents said that cleansing power was high × (defect): 5 out of 20 respondents said that cleansing power was high
　（試験例２：刺激の評価）
　試験例１のクレンジングの際に、眼の刺激が強いか否か、並びに皮膚の刺激が強いか否かを評価した。また、試験例１のクレンジング後、皮膚の刺激が強いか否かを評価した。 (Test Example 2: Evaluation of stimulation)
During the cleansing of Test Example 1, it was evaluated whether the eye irritation was strong and whether the skin irritation was strong. Moreover, after the cleansing of Test Example 1, it was evaluated whether or not the skin irritation was strong.
　＜刺激の評価基準＞
　○○（かなり良好）：２０名中１６名以上が、クレンジングの際の目の刺激及び皮膚の刺激、並びにクレンジング後の皮膚の刺激のいずれもが強くないと回答
　○（良好）：２０名中１１～１５名が、クレンジングの際の目の刺激及び皮膚の刺激、並びにクレンジング後の皮膚の刺激のいずれもが強くないと回答
　△（不十分）：２０名中６～１０名が、クレンジングの際の目の刺激及び皮膚の刺激、並びにクレンジング後の皮膚の刺激のいずれもが強くないと回答
　×（不良）：２０名中５名以下が、クレンジングの際の目の刺激及び皮膚の刺激、並びにクレンジング後の皮膚の刺激のいずれもが強くないと回答 <Evaluation criteria for stimulation>
○○ (pretty good): More than 16 out of 20 responded that neither eye irritation or skin irritation during cleansing nor skin irritation after cleansing was strong ○ (good): out of 20 11-15 responded that neither eye irritation or skin irritation during cleansing nor skin irritation after cleansing was strong △ (insufficient): 6-10 out of 20 were cleansing Answered that neither eye irritation or skin irritation nor skin irritation after cleansing was strong x (bad): 5 or less of 20 people had eye irritation and skin irritation during cleansing, As well as no skin irritation after cleansing
　（試験例３：さっぱり感の評価）
　試験例１，２の評価の後、専門パネル２０名が、クレンジング後の皮膚のさっぱり感を下記の基準で評価した。 (Test Example 3: Evaluation of refreshing feeling)
After the evaluation of Test Examples 1 and 2, 20 professional panels evaluated the freshness of the skin after cleansing according to the following criteria.
　＜さっぱり感の評価基準＞
　○○（かなり良好）：２０名中１６名以上が、さっぱり感に優れると回答
　○（良好）：２０名中１１～１５名が、さっぱり感に優れると回答
　△（不十分）：２０名中６～１０名が、さっぱり感に優れると回答
　×（不良）：２０名中５名以下が、さっぱり感に優れると回答 <Evaluation criteria for refreshing feeling>
○○ (very good): More than 16 out of 20 responded that they had a refreshing feeling ○ (good): 11-15 out of 20 responded that they had a refreshing feeling △ (insufficient): out of 20 6-10 respondents said that they had a refreshing feeling × (defect): 5 out of 20 respondents said that they had a refreshing feeling
　（試験例４：クレンジング用組成物における「防腐力」の評価）
　（供試菌）
　緑膿菌として、「Ｐｓｅｕｄｏｍｏｎａｓ　ａｅｒｕｇｉｎｏｓａ　ＮＢＲＣ　１３２７５」を用いた。 (Test Example 4: Evaluation of “preservative power” in cleansing composition)
(Test bacteria)
As Pseudomonas aeruginosa, “Pseudomonas aeruginosa NBRC 13275” was used.
　カンジダ菌として、「Ｃａｎｄｉｄａ　ａｌｂｉｃａｎｓ　ＮＢＲＣ　１５９４」を用いた。 “Candida albicans NBRC 1594” was used as a Candida bacterium.
　（接種用菌液の調製）
　「緑膿菌」については、寒天培地で３５℃で培養後、更にブイヨン培地に移植して３５℃で培養して、接種用菌液を得た。 (Preparation of bacterial solution for inoculation)
About "Pseudomonas aeruginosa", it culture | cultivated at 35 degreeC with the agar medium, Furthermore, it transplanted to the bouillon medium and culture | cultivated at 35 degreeC, and obtained the microbe solution for inoculation.
　「カンジタ菌」については、寒天培地で２５℃で培養後、更にブイヨン培地に移植して３０℃で培養して、接種用菌液を得た。 Regarding “Candida”, after culturing at 25 ° C. on an agar medium, it was further transplanted to a bouillon medium and cultured at 30 ° C. to obtain a bacterial solution for inoculation.
　（組成物における評価方法－その１）
　容積が１００ｍＬの滅菌処理を行ったバイアルに、試験菌毎にクレンジング用組成物２０ｍＬを注入して試験試料を得た。緑膿菌が１０８ＣＦＵ／ｍＬになるように調製した接種用菌液を用いて、試験試料に１／１００量（０．２ｍＬ）の菌液を接種して密閉し、よく混合した。緑膿菌を接種した試料については、３５℃の恒温槽内に該バイアルを保存した。 (Evaluation Method in Composition—Part 1)
A test sample was obtained by injecting 20 mL of the cleansing composition for each test bacterium into a sterilized vial having a volume of 100 mL. Using a bacterial solution for inoculation prepared so that P. aeruginosa was 10 8 CFU / mL, the test sample was inoculated with 1/100 volume (0.2 mL) of the bacterial solution, sealed, and mixed well. For the samples inoculated with Pseudomonas aeruginosa, the vials were stored in a constant temperature bath at 35 ° C.
　（測定）
　防腐力の評価（測定）は、緑膿菌については、１日経過時の時点で、該バイアルを取り出し、試料中の生菌数（ＣＦＵ／ｍＬ）を常法により求めた。なお、緑膿菌の生菌数の測定については、３５℃で培養を行い、３日後の菌数を測定した。 (Measurement)
For the evaluation (measurement) of antiseptic power, for Pseudomonas aeruginosa, the vial was taken out at the time when one day had elapsed, and the number of viable bacteria (CFU / mL) in the sample was determined by a conventional method. In addition, about the measurement of the viable count of Pseudomonas aeruginosa, it culture | cultivated at 35 degreeC and measured the bacterial count after 3 days.
　＜防腐力の評価基準：緑膿菌＞
　○：生菌数が、＜１０ＣＦＵ／ｍＬ
　×：生菌数が、＞１０ＣＦＵ／ｍＬ <Evaluation criteria of antiseptic power: Pseudomonas aeruginosa>
○: Viable count is <10 CFU / mL
×: Viable count> 10 CFU / mL
　（組成物における評価方法－その２；緑膿菌をクリアした検体）
　容積が１００ｍＬの滅菌処理を行ったバイアルに、試験菌毎にクレンジング用組成物２０ｍＬを注入して試験試料を得た。カンジダ菌が１０７ＣＦＵ／ｍＬになるように調製した接種用菌液を用いて、試験試料に１／１００量（０．２ｍＬ）の菌液を接種して密閉し、よく混合した。カンジダ菌を接種した試料については、２５℃の恒温槽内に該バイアルを保存した。 (Evaluation method in the composition-Part 2; Sample that cleared Pseudomonas aeruginosa)
A test sample was obtained by injecting 20 mL of the cleansing composition for each test bacterium into a sterilized vial having a volume of 100 mL. Using a bacterial solution for inoculation prepared so that Candida was 10 7 CFU / mL, the test sample was inoculated with 1/100 volume (0.2 mL) of the bacterial solution, sealed, and mixed well. For the sample inoculated with Candida, the vial was stored in a thermostatic bath at 25 ° C.
　（測定）
　防腐力の評価（測定）は、カンジダ菌については、７日経過時の時点で、該バイアルを取り出し、試料中の生菌数（ＣＦＵ／ｍＬ）を常法により求めた。なお、カンジダ菌の生菌数の測定については、２５℃で培養を行い、３日後の菌数を測定した。 (Measurement)
For the evaluation (measurement) of antiseptic power, for Candida, the vial was taken out at the time when 7 days had elapsed, and the number of viable bacteria (CFU / mL) in the sample was determined by a conventional method. In addition, about the measurement of the viable count of Candida, it culture | cultivated at 25 degreeC and measured the count after 3 days.
　＜防腐力の評価基準：カンジタ菌＞
　○：生菌数が、＜１０２ＣＦＵ／ｍＬ
　×：生菌数が、＞１０２ＣＦＵ／ｍＬ <Evaluation criteria for antiseptic power: Candida>
○: Viable count is <10 2 CFU / mL
×: Viable count> 10 2 CFU / mL
　（試験例５：クレンジングシートにおける「防腐力」の評価）
　（供試菌）と、（接種用菌液の調製）は上記の試験例４と同様。 (Test Example 5: Evaluation of “preservative power” in cleansing sheet)
(Test Bacteria) and (Preparation of Bacterial Solution for Inoculation) are the same as in Test Example 4 above.
　（シートにおける評価方法－その１）
　クレンジングシートを１０枚重ね、アルミピロー袋内に入れた。次いで、緑膿菌が１０８ＣＦＵ／ｍＬになるように調製した接種用菌液を用いて、最上段のクレンジングシートに１／１００量（０．４ｍＬ）の菌液を接種し、密閉した。緑膿菌を接種した該アルミピロー袋については、３５℃の恒温槽内に該アルミピロー袋を保存した。 (Evaluation method for sheets-1)
Ten cleansing sheets were stacked and placed in an aluminum pillow bag. Next, using the inoculum solution prepared so that Pseudomonas aeruginosa was 10 8 CFU / mL, 1/100 amount (0.4 mL) of the inoculum was inoculated into the uppermost cleansing sheet and sealed. About the aluminum pillow bag inoculated with Pseudomonas aeruginosa, the aluminum pillow bag was stored in a constant temperature bath at 35 ° C.
　（測定）
　防腐力の評価（測定）は、緑膿菌については、１日経過時の時点で、該アルミピロー袋内の最上段のシート状化粧料を取り出した。２％Ｔｗｅｅｎ８０添加の生理食塩水１０ｍＬを該シート状化粧料に添加して十分に撹拌した後、懸濁液を回収して該懸濁液中の生菌数（ＣＦＵ／ｍＬ）を常法により求めた。なお、緑膿菌の生菌数の測定については、３５℃で培養を行い、３日後の菌数を測定した。 (Measurement)
For the evaluation (measurement) of antiseptic power, for Pseudomonas aeruginosa, the uppermost sheet-shaped cosmetic in the aluminum pillow bag was taken out at the time when one day had elapsed. After adding 10 mL of 2% Tween 80-added physiological saline to the sheet cosmetic and stirring well, the suspension was recovered and the viable cell count (CFU / mL) in the suspension was measured by a conventional method. Asked. In addition, about the measurement of the viable count of Pseudomonas aeruginosa, it culture | cultivated at 35 degreeC and measured the bacterial count after 3 days.
　＜防腐力の評価基準：緑膿菌＞
　○：生菌数が、＜１０ＣＦＵ／ｍＬ
　×：生菌数が、＞１０ＣＦＵ／ｍＬ <Evaluation criteria of antiseptic power: Pseudomonas aeruginosa>
○: Viable count is <10 CFU / mL
×: Viable count> 10 CFU / mL
　（シートにおける評価方法－その２；緑膿菌をクリアした検体）
　クレンジングシートを１０枚重ね、アルミピロー袋内に入れた。次いで、カンジダ菌が１０７ＣＦＵ／ｍＬになるように調製した接種用菌液を用いて、最上段のクレンジングシートに１／１００量（０．４ｍＬ）の菌液を接種し、密閉した。カンジダ菌を接種した該アルミピロー袋については、２５℃の恒温槽内に該アルミピロー袋を保存した。 (Evaluation method on the sheet-Part 2; Sample that cleared Pseudomonas aeruginosa)
Ten cleansing sheets were stacked and placed in an aluminum pillow bag. Next, using the inoculum solution prepared so that Candida was 10 7 CFU / mL, 1/100 amount (0.4 mL) of the inoculum was inoculated on the uppermost cleansing sheet and sealed. About the aluminum pillow bag which inoculated Candida, the aluminum pillow bag was preserve | saved in a 25 degreeC thermostat.
　（測定）
　防腐力の評価（測定）は、カンジダ菌については、７日経過時の時点で、該アルミピロー袋内の最上段のクレンジングシートを取り出した。２％Ｔｗｅｅｎ８０添加の生理食塩水１０ｍＬを該クレンジングシートに添加して十分に撹拌した後、懸濁液を回収して該懸濁液中の生菌数（ＣＦＵ／ｍＬ）を常法により求めた。なお、カンジダ菌の生菌数の測定については、２５℃で培養を行い、３日後の菌数を測定した。 (Measurement)
For the evaluation (measurement) of antiseptic power, for Candida, the uppermost cleansing sheet in the aluminum pillow bag was taken out when 7 days had elapsed. After adding 10 mL of 2% Tween 80-added physiological saline to the cleansing sheet and stirring sufficiently, the suspension was recovered and the viable cell count (CFU / mL) in the suspension was determined by a conventional method. . In addition, about the measurement of the viable count of Candida, it culture | cultivated at 25 degreeC and measured the count after 3 days.
　＜防腐力の評価基準：カンジタ菌＞
○：生菌数が、＜１０２ＣＦＵ／ｍＬ
×：生菌数が、＞１０２ＣＦＵ／ｍＬ <Evaluation criteria for antiseptic power: Candida>
○: Viable count is <10 2 CFU / mL
×: Viable count> 10 2 CFU / mL
　結果を下記の表１に示す。 The results are shown in Table 1 below.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
　なお、比較例７，８では、（Ｃ）成分を用いていないので、シートでの防腐力を高めるために、（Ｄ）成分が多く配合されている。比較例７，８では、（Ｄ）成分を多く配合しているので、クレンジング後の皮膚のさっぱり感にかなり劣り、クレンジングシートの基本性能に問題があった。また、実施例１において、エタノールの含有量を４．５質量％、４質量％、３．５質量％、３質量％、２．５質量％、２質量％、１．５質量％、１質量％、０．５質量％に変更したクレンジング用組成物について、実施例１と同様に評価したところ、エタノールの含有量が少ないほど、防腐効果及びクレンジング力は、十分ではあるがやや低下する傾向がある一方で、刺激はかなり抑えられる傾向があることを確認した。 In Comparative Examples 7 and 8, since the component (C) is not used, a large amount of the component (D) is blended in order to increase the antiseptic power of the sheet. In Comparative Examples 7 and 8, since a large amount of the component (D) was blended, the clean feeling of the skin after cleansing was considerably inferior, and there was a problem in the basic performance of the cleansing sheet. Moreover, in Example 1, content of ethanol is 4.5 mass%, 4 mass%, 3.5 mass%, 3 mass%, 2.5 mass%, 2 mass%, 1.5 mass%, 1 mass. %, The composition for cleansing changed to 0.5% by mass was evaluated in the same manner as in Example 1. As the ethanol content is smaller, the antiseptic effect and the cleansing power tend to be slightly reduced although sufficient. On the other hand, it was confirmed that the stimulation tends to be considerably suppressed.

Claims (9)

  1. 　シート基材と、前記シート基材に含浸されているクレンジング用組成物とを備え、
    　前記クレンジング用組成物が、水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含み、
    　前記クレンジング用組成物がエタノールを含まないか、又はエタノールを５質量％以下で含む、クレンジングシート。     A sheet base material, and a cleansing composition impregnated in the sheet base material,
    The cleansing composition comprises water, a nonionic surfactant, a polyaminopropyl biguanide, and a polyhydric alcohol,
    The cleansing sheet | seat which the said composition for cleansing does not contain ethanol, or contains ethanol by 5 mass% or less.
  2. 　前記非イオン性界面活性剤が、ポリオキシエチレン脂肪酸、ポリオキシエチレングリセリン脂肪酸エステル、又はポリオキシエチレン硬化ヒマシ油である、請求項１に記載のクレンジングシート。 The cleansing sheet according to claim 1, wherein the nonionic surfactant is polyoxyethylene fatty acid, polyoxyethylene glycerin fatty acid ester, or polyoxyethylene hydrogenated castor oil.
  3. 　前記ポリアミノプロピルビグアニドの含有量が０．００５質量％以上、０．５質量％以下である、請求項１又は２に記載のクレンジングシート。 The cleansing sheet according to claim 1 or 2, wherein the content of the polyaminopropyl biguanide is 0.005 mass% or more and 0.5 mass% or less.
  4. 　前記多価アルコールの含有量が２．５質量％以上、１０質量％以下である、請求項１～３のいずれか１項に記載のクレンジングシート。 The cleansing sheet according to any one of claims 1 to 3, wherein the content of the polyhydric alcohol is 2.5 mass% or more and 10 mass% or less.
  5. 　前記クレンジング用組成物が、前記ポリアミノプロピルビグアニドとは異なりかつ前記エタノールとは異なる防腐剤を含む、請求項１～４のいずれか１項に記載のクレンジングシート。 The cleansing sheet according to any one of claims 1 to 4, wherein the cleansing composition contains a preservative different from the polyaminopropyl biguanide and different from the ethanol.
  6. 　前記クレンジング用組成物は、前記防腐剤として、パラオキシ安息香酸エステルを含む、請求項５に記載のクレンジングシート。 The cleansing sheet according to claim 5, wherein the cleansing composition contains a paraoxybenzoic acid ester as the preservative.
  7. 　前記クレンジング用組成物が、陰イオン性界面活性剤を含む、請求項１～６のいずれか１項に記載のクレンジングシート。 The cleansing sheet according to any one of claims 1 to 6, wherein the cleansing composition contains an anionic surfactant.
  8. 　水と、非イオン性界面活性剤と、ポリアミノプロピルビグアニドと、多価アルコールとを含み、
    　エタノールを含まないか、又はエタノールを５質量％以下で含む、クレンジング用組成物。     Water, a nonionic surfactant, polyaminopropyl biguanide, and a polyhydric alcohol,
    A cleansing composition containing no ethanol or 5% by mass or less of ethanol.
  9. 　シート基材に含浸されて、クレンジングシートを得るために用いられる、請求項８に記載のクレンジング用組成物。 The cleansing composition according to claim 8, which is used to obtain a cleansing sheet by being impregnated in a sheet base material.
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