WO2021134469A1 - Composition pour soin des matières kératiniques - Google Patents

Composition pour soin des matières kératiniques Download PDF

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Publication number
WO2021134469A1
WO2021134469A1 PCT/CN2019/130484 CN2019130484W WO2021134469A1 WO 2021134469 A1 WO2021134469 A1 WO 2021134469A1 CN 2019130484 W CN2019130484 W CN 2019130484W WO 2021134469 A1 WO2021134469 A1 WO 2021134469A1
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acid
composition
amount
component
composition according
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PCT/CN2019/130484
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English (en)
Inventor
Shichen ZHANG
Amit Jayaswal
Cherry YANG
Nancy Zhang
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L'oreal
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Priority to PCT/CN2019/130484 priority Critical patent/WO2021134469A1/fr
Priority to CN201980103364.3A priority patent/CN115551472A/zh
Publication of WO2021134469A1 publication Critical patent/WO2021134469A1/fr

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    • 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
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
    • 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
    • A61K8/37—Esters of carboxylic acids
    • A61K8/375—Esters of carboxylic acids the alcohol moiety 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
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/02—Preparations for cleaning the hair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/26—Optical properties
    • A61K2800/262—Transparent; Translucent

Definitions

  • the present invention relates to a composition for caring for keratin materials, in particular the scalp and hair.
  • the invention also relates to a product comprising the composition.
  • Keratin materials are present widely on surface of human bodies, e.g., skin, scalp and hair. Many people have for a long time sought to soothing the body surface, so as to feel comfortable in daily life and work. Amongst others, the feeling of itch is particularly concerned by many people. Various factors may cause the feeling of itch, e.g., high dryness of body surface, presence of certain bacteria on body surface, allergy, external stimuli or even psychological feeling, etc. Accordingly, various products are developed to deal with the itchy feeling, many of which are used to soothe the feeling of itch. In particular, considering the various factors, soothing the feeling of itch is usually more feasible and meaningful than therapeutic treatment against directly the factors.
  • the scalp is particularly readily to suffer from itch.
  • Various formulations have been developed for the itchy scalp, including those provided in a separate form, e.g., lotion, spray and the like, and those incorporated into conventional products for hair and/or for scalp, e.g., shampoo, leave-on and/or rinse-off conditioner.
  • Keratin fibers in particular the hair is cleansed and treated to improve its look, color, style, etc.
  • various cleansing and/or conditioning components are added directed into shampoo.
  • scalp is substantially overlapped with hair, components conditioning the scalp can also be added into shampoo, such that by washing hair, the scalp-conditioning components are also applied to the scalp.
  • Antidandruff components have been added into shampoos; however, the addition of successful anti-itching component into shampoo is still desired due to the complicated reasons causing the feeling of itch.
  • natural ingredients i.e., ingredients of natural origin
  • Many compounds with natural origin are used in formulating compositions for caring for keratin materials. Efforts have been made to formulate compositions comprising natural ingredients.
  • medium chain fatty acids and the respectively corresponding monoglycerides have been disclosed to have a broad spectrum of anti-microbial activity against enveloped viruses and various bacteria in vitro (Kabara, 1978; Shibasaki and Kato, 1978; Welsh et al. 1979 Thormar et al., 1987; Isaacs et al. 1995) , comprising but not limited to human pathogens such as herpes simplex virus, Candida albicans, Chlamydia trachomatis, Nesseria gonorrhoeae, Helicobacter pylori and Staphylococcus aureus.
  • human pathogens such as herpes simplex virus, Candida albicans, Chlamydia trachomatis, Nesseria gonorrhoeae, Helicobacter pylori and Staphylococcus aureus.
  • a fatty acid-ester mixture of a plurality e.g., at least 3, 4, or 5, of medium chain fatty acids and monoesters of the respective medium chain fatty acids with a lower polyol, makes it possible to obtain a composition for caring for keratin materials, which can non-therapeutically soothe the itchy feeling occurring on the keratin materials, especially on scalp.
  • One subject of the present invention is thus a non-therapeutically anti-itching composition for caring for keratin materials comprising:
  • At least one anionic surfactant at least one anionic surfactant.
  • composition according to the present invention is particularly useful for a shampoo product.
  • the fatty acid-ester mixture is a derivative of coconut oil, called as activated virgin coco oil (AVCO) .
  • AVCO activated virgin coco oil
  • composition of the invention can benefit the composition of the invention to have a transparent appearance, in particular in the form of a transparent shampoo product.
  • the present invention thus provides use of the fatty acid-ester mixture for soothing the feeling of itch of keratin materials on body surface, especially scalp.
  • composition of the invention has been discovered, and also has been proven through experiments, that itchy feeling can be successfully soothed. Without being restricted to any known theory, it is believed that the successful use of the composition of the invention to soothe the itchy feeling contributes at least a part to the sensory relax to the keratin materials by the composition of the invention. Accordingly, the composition of the invention is limited to non-therapeutic uses, though it may be discovered further properties and/or mechanisms for a therapeutic use in the future.
  • the “keratin material” according to the present invention is the skin, hair, scalp, eyelashes, eyebrows, bodily hair, nails, lips or mucous membranes.
  • the keratin material according to the present invention is a position where an itchy feeling is easily felt, e.g., scalp, or skin, and/or a position where the itchy feeling has an impact on, e.g., hair.
  • the “care for” , “caring for” and the like according to the present invention should be understood to encompass any means to take care, maintain or improve the status of keratin materials, including not only the conventional means of caring for keratin materials, e.g., skin or scalp, but also any means known to be useful for conditioning keratin materials, e.g., hair or scalp.
  • the present invention is directed to a composition for caring for keratin materials, comprising:
  • a fatty acid component comprising a plurality, e.g., at least 3, 4, or 5, of medium chain fatty acids, and
  • ester component comprising a plurality, e.g., at least 3, 4, or 5, of monoesters of medium chain fatty acids
  • the monoesters of the ester component (A-II) are respectively obtained from esterification of the medium chain fatty acids used in component (A-I) with a lower polyol.
  • the fatty acid-ester mixture is a derivative of coconut oil, called as activated virgin coco oil (AVCO) .
  • AVCO activated virgin coco oil
  • the present invention thus provides use of the composition of the present invention in soothing the feeling of itch of keratin materials.
  • the present invention also relates to the use of the fatty acid-ester mixture for soothing the feeling of itching of keratin materials on body surface, especially scalp.
  • the present invention also relates to a process for soothing the feeling of itching of keratin materials, in particular keratin materials on body surface, especially scalp, using the anti-itching composition according to the invention.
  • composition of the present invention comprises a fatty acid-ester mixture (A) of a plurality, e.g., at least 3, 4, or 5, of medium chain fatty acids and monoesters of the respective medium chain fatty acids with a lower polyol.
  • A fatty acid-ester mixture
  • the useful fatty acid useful as component (A-I) according to the present invention is a medium chain fatty acid, e.g., preferably a monocarboxylic acid having 6 to 20 carbon atoms, preferably 8-16 carbon atoms, more preferably 8-12 carbon atoms. Accordingly, the useful fatty acid can have a formula (I) :
  • R represents a linear or branched, saturated or unsaturated C 5 -C 19 , preferably C 7 -C 15 , more preferably C 7 -C 11 , hydrocarbyl group, preferably alkyl; and preferably, R is a linear group; and more preferably, R is a linear alkyl.
  • R has preferably odd number, e.g., 5, 7, 9, 11, 13, 15, 17 or 19, of carbon atoms. More preferably, R has 7, 9, 11, 13 or 15 carbon atoms; or preferably, R has 7, 9 or 11 carbon atoms.
  • the medium chain fatty acid can be used alone or as a combination of two or more fatty acids.
  • the medium chain fatty acid is used as a combination of at least 3, 4, or 5 fatty acids.
  • the useful fatty acid according to the present invention can be preferably at least partially esterified with a polyol.
  • the monoester useful as component (A-II) is a monoester of formula (II) :
  • R is as defined in formula (I) .
  • R’ represents a residue from a polyol.
  • the useful polyol especially contains from 2 to 20 carbon atoms, preferably containing from 2 to 10 carbon atoms and preferably containing from 2 to 6 carbon atoms, such as glycerol, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, dipropylene glycol or diethylene glycol.
  • the fatty acid according to formula (I) includes caprylic acid (C8, also called as octoic acid) , capric acid (C10) , lauric acid (C12) , myristic acid (C14) , palmitic acid (C16) , stearic acid (C18) , or arachidic acid (C20) .
  • caprylic acid C8, also called as octoic acid
  • capric acid C10
  • lauric acid C12
  • myristic acid C14
  • palmitic acid C16
  • stearic acid C18
  • arachidic acid C20
  • R and R’ are different from one another, wherein R represents a linear C 7 -C 15 alkyl, and R’ represents a residue from a linear polyol containing from 2 to 6 carbon atoms.
  • the fatty acid according to formula (I) is preferably used in combination with the monoester according to formula (II) , so as to form the fatty acid-ester mixture (A) .
  • the fatty acid and the monoester for the mixture (A) involve the same fatty acid moiety, i.e., the fatty acid of formula (I) and the monoester of formula (II) having the corresponding R group.
  • the fatty acid-ester mixture (A) can be deemed as a mixture of two or more fatty acids of formula (I) and the partially esterified monoesters of each of the fatty acids.
  • the fatty acid-ester mixture (A) comprises a plurality, e.g., at least 3, 4, or 5, of fatty acids of formula (I) and monoesters of formula (II) having the corresponding R groups respectively same as the fatty acids of formula (I) .
  • a same polyol is used to form the monoesters. That is, for the two more monoesters of formula (II) for the fatty acid-ester mixture (A) , they have the same R’ group.
  • glycerol is particularly used, so as to form glycerides with the variously corresponding fatty acids mentioned above.
  • the fatty acid-ester mixture (A) comprises at least 3 fatty acids selected from the group consisting of caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, and arachidic acid, to be used as component (A-I) .
  • the corresponding monoesters of each of the fatty acids in component (A-I) are used as component (A-II) .
  • the monoesters of component (A-II) is each a glyceride.
  • the fatty acid component (A-I) comprises caprylic acid, capric acid, and lauric acid.
  • the corresponding component (A-II) comprises caprylic glyceride (also called as monocaprylin) , capric glyceride (also called as monocaprin) , and lauric glyceride (also called as monolaurin) .
  • the total amount of fatty acids of component (A-I) and the total amount of monoesters of component (A-II) are present in a ratio ranging from 4: 1 to 1: 1, preferably 3: 1 to 1: 1, more preferably 2.5: 1 to 1.5: 1.
  • the fatty acid-ester mixture (A) can be obtained by partially esterifying directly the fatty acid component (A-I) with a polyol to form monoesters, so as to obtain a mixture of fatty acids and the corresponding monoesters as ester component (A-II) .
  • a polyol it is well understood that a multiester, e.g., diester, triester and the like, may be finally formed.
  • a fatty acid-ester mixture (A) comprising at least 3 fatty acids, monoesters corresponding to the at least 3 fatty acids, and multiesters corresponding to the at least 3 medium chain fatty acids, is still useful for the purpose of the present invention, as long as the main purpose, in particular the anti-itching effect, is not significantly damaged.
  • multiester is provided to mean an ester formed from an esterification of a polyol, wherein more than one hydroxyl group of a polyol molecule is esterified. Accordingly, “diester” and “triester” according to the present invention mean respectively two and three hydroxyl groups of a polyol molecule is esterified.
  • the useful fatty acid-ester mixture (A) may comprise at least 3 fatty acids, monoesters, diesters and triesters corresponding to the at least 3 fatty acids.
  • the useful fatty acid-ester mixture (A) may comprise caprylic acid, capric acid, and lauric acid, as component (A-I) ; monocaprylin, monocaprin, and monolaurin, as component (A-II) ; and diglyceride and triglyceride of caprylic acid, capric acid, and lauric acid.
  • the content of the multiester is not particularly limited, as long as the main purpose, in particular the anti-itching effect, of the mixture (A) is not significantly damaged.
  • the multiester can be used in the mixture (A) in an amount up to 90wt%, preferably 80wt%or less, or preferably 70 wt%or less, or preferably 65 wt%or less.
  • the fatty acid-ester mixture (A) can be of natural origin.
  • coconut oil comprises a mixture of various C 8 -C 20 fatty acids, especially those having even number of carbon atoms.
  • AVCO activated virgin coco oil
  • the coconut oil is esterified with glycerol.
  • An AVCO useful according to the present invention may comprise caprylic acid, capric acid, and lauric acid, as component (A-I) ; monocaprylin, monocaprin, and monolaurin, as component (A-II) .
  • the total amount of fatty acids of component (A-I) and the total amount of mono-glycerides of component (A-II) are present in a ratio ranging from 4: 1 to 1: 1, preferably 3: 1 to 1: 1, more preferably 2.5: 1 to 1.5: 1.
  • a useful AVCO may comprise: fatty acid component (A-I) : caprylic acid in an amount of 5-20 wt%, preferably 7-15 wt%, or preferably 8-10 wt%; capric acid in an amount of 1-10 wt%, preferably 2-8 wt%, or preferably 4-7 wt%; and lauric acid in an amount of 20-70 wt%, preferably 30-60 wt%, or preferably 40-55 wt%; and monoester component (A-II) : monocaprylin in an amount of 0.5-15 wt%, preferably 1-10 wt%, or preferably 4-7 wt%; monocaprin in an amount of 0.1-10 wt%, preferably 1-8 wt%, or preferably 3-5 wt%; and monolaurin in an amount of 10-40 wt%, preferably 15-35 wt%, or preferably 20-30 w
  • An AVCO obtained from the esterification of coconut oil can further comprise diglyceride and triglyceride in addition to the fatty acid component (A-I) and the monoester component (A-II) above.
  • a useful AVCO may comprise caprylic acid, capric acid, and lauric acid, as component (A-I) ; monocaprylin, monocaprin, and monolaurin, as component (A-II) ; and optionally diglyceride and triglyceride of caprylic acid, capric acid, and lauric acid.
  • the content of the multiester is not particularly limited, e.g., in an amount up to 90wt%, preferably 80wt%or less, or preferably 70 wt%or less, or preferably 65 wt%or less.
  • a useful AVCO may comprise: a fatty acid component (A-I) comprising caprylic acid, capric acid, and lauric acid, in an amount of 5-40 wt%, preferably 10-30 wt%, or preferably 20-25 wt%; a monoester component (A-II) comprising monocaprylin, monocaprin, and monolaurin, in an amount of 1-30 wt%, preferably 5-20 wt%, or preferably 10-15 wt%; diglycerides of caprylic acid, capric acid, and lauric acid, in a sum amount of 10-50 wt%, preferably 20-45 wt%, or preferably 30-40 wt%; and triglycerides of caprylic acid, capric acid, and lauric acid, in a sum amount of 10-70 wt%, preferably 15-50 wt%, or preferably 20-30 wt%; each relative to the total amount of the AV
  • a useful AVCO can be preferably one prepared according to the teaching by EP 1973415, which disclosure is incorporated herein by reference. Accordingly, an exemplary AVCO can comprise: 24.63 mg/g caprylic acid (C8) , 17.81 mg/g capric acid (C10) , 133.70 mg/g lauric acid (C12) and 11.82 mg/g monocaprylin, 8.29 mg/g monocaprin and 57.16 mg/g monolaurin; or 23.10 mg/g caprylic acid (C8) , 16.08 mg/g capric acid (C10) , 116.81 mg/g lauric acid (C12) and 16.04 mg/g monocaprylin, 10.35 mg/g monocaprin and 75.54 mg/g monolaurin; each relative to the total weight of the AVCO; and preferably, the AVCO is derived from catalyzing coconut oil with 1, 3-specific lipase and subjecting it to glycerolysis.
  • the fatty acid-ester mixture (A) may be present in the composition according to the present invention in an amount ranging from 0.01%to 10%by weight, preferably ranging from 0.1%to 5%by weight, or preferably ranging from 0.3%to 1.5%by weight, or preferably ranging from 0.8%to 1.5%by weight, relative to the total weight of the composition.
  • the non-therapeutic composition according to the present invention comprises at least one anionic surfactant (B) .
  • anionic surfactant is understood to mean an amphiphilic compound with a hydrophobic part and a hydrophilic part wherein the hydrophilic part carries as ionic or ionisable group only anionic group with a cationic counterion which is generally metallic (alkali metal, such as Na or K) or ammonium, capable of dissociating to give anions in aqueous solution.
  • the cationic counter anion being usually selected from alkali metal such as sodium, or alkaline earth metal such as magnesium, or organic cationic counter anion such as ammonium salts, amine salts, or aminoalcohol salts.
  • the surfactants may also occur in their acid forms.
  • anionic surfactants of surfactants comprising carboxylate, sulfate, sulfonate, sulfoacetate, sulfosuccinate, phosphate, isethionate, sarcosinate, glutamate, lactylate or taurate anionic groups, salts of fatty acids, salts of galactosiduronic acids, salts of ether carboxylic acids surfactants and their mixtures.
  • anionic surfactant according to the invention is chosen from:
  • the anionic surfactant is chosen from sulfate of ether of lauryl alcohol and alkylene oxide containing from 1 to 4 alkylene oxide groups, especially ethylene oxide groups.
  • sulfate of ether of lauryl alcohol and alkylene oxide containing from 1 to 4 alkylene oxide groups, especially ethylene oxide groups.
  • alkylene oxide containing from 1 to 4 alkylene oxide groups especially ethylene oxide groups.
  • sodium laureth sulfate containing in average 2.2 ethylene oxide groups that are sold by the company Cognis (BASF) under the name AOS 225 UP, Rhodia under the name esb-70/fla3, Clariant under the name LRO L’O
  • sodium laureth sulfate containing in average 1 ethylene oxide group that is sold by the company Zhejiang Zanyu Technology under the name SLES (N1EO) .
  • acyl isethionates for example sodium lauroyl methyl isethionate, sodium cocoyl isthionate; mentiones may be made of the sodium lauroyl methyl isethionate which is sold under the trade name LQ-CLR-SB by the company Innospec Active Chemicals;
  • alkyl or acyl radicals of these various anionic surfactants preferably comprise from 12 to 20 carbon atoms.
  • the oxyalkylenated or polyoxyalkylenated anionic surfactants preferably comprise from 1 to 50 alkylene oxide groups, more preferably from 1 to 4 alkylene oxide groups, in particular ethylene oxide groups.
  • the present invention comprises at least one anionic surfactant chosen from (C 6 -C 30 ) alkyl sulfates, (C 6 -C 30 ) alkyl ether sulfates, (C 6 -C 30 ) alkylamido ether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, (C 6 -C 24 ) acyl isethionates, or a mixture thereof.
  • anionic surfactant chosen from (C 6 -C 30 ) alkyl sulfates, (C 6 -C 30 ) alkyl ether sulfates, (C 6 -C 30 ) alkylamido ether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, (C 6 -C 24 ) acyl isethionates, or a mixture thereof.
  • the anionic surfactant is preferably chosen from sodium laureth sulfate, sodium lauroyl methyl isethionate, sodium cocoyl isethionate, or a mixture thereof.
  • the anionic surfactant is sodium laureth sulfate containing in average 2.2 ethylene oxide groups.
  • the composition may be free of any sulfate to be used as the anionic surfactant.
  • the at least one anionic surfactant (B) may be present in the composition according to the present invention in an amount from 1%to 30%, such as from 5%to 20%, or from 10%to 15%, relative to the total weight of the composition including all ranges and subranges therebetween.
  • the composition according to the present invention may optionally comprises at least one amphoteric surfactant, which may also be called as zwitterionic surfactant, especially when the composition of the present invention is used to formulate a shampoo, e.g., a creamy shampoo or a transparent shampoo product.
  • at least one amphoteric surfactant which may also be called as zwitterionic surfactant, especially when the composition of the present invention is used to formulate a shampoo, e.g., a creamy shampoo or a transparent shampoo product.
  • amphoteric or zwitterionic surfactant (s) that may be used in the present invention may be quaternized secondary or tertiary aliphatic amine derivatives containing at least one anionic group, for instance a carboxylate, sulfonate, sulfate, phosphate or phosphonate group, and in which the aliphatic group or at least one of the aliphatic groups is a linear or branched chain comprising from 8 to 22 carbon atoms.
  • ⁇ R 4 represents a C 10 -C 30 alkyl or alkenyl group derived from an acid R 4 -C (O) -OH preferably present in hydrolysed coconut oil, or a heptyl, nonyl or undecyl group;
  • ⁇ R 5 represents a ⁇ -hydroxyethyl group
  • ⁇ R 6 represents a carboxymethyl group
  • ⁇ A represents-CH 2 CH 2 OX'
  • ⁇ X' represents the group-CH 2 -C (O) -OH, -CH 2 -C (O) -OZ’, -CH 2 CH 2 -C (O) -OH, -CH 2 -CH 2 -C (O) -OZ’, or a hydrogen atom;
  • ⁇ Y' represents –C (O) -OH, –C (O) -OZ’ or the group -CH 2 -CH (OH) -SO 3 H or -CH 2 -CH (OH) -SO 3 Z’;
  • ⁇ Z’ represents an ion derived from an alkali or alkaline-earth metal, such as sodium, potassium or magnesium; an ammonium ion; or an ion derived from an organic amine and in particular from an aminoalcohol, such as mono-, di-and triethanolamine, mono-, di-or triisopropanolamine, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1, 3-propanediol and tris (hydroxymethyl) aminomethane.
  • an alkali or alkaline-earth metal such as sodium, potassium or magnesium
  • an ammonium ion or an ion derived from an organic amine and in particular from an aminoalcohol, such as mono-, di-and triethanolamine, mono-, di-or triisopropanolamine, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1, 3-propanediol and tris (hydroxymethyl) aminomethane
  • ⁇ R 7 represents a C 10 -C 30 alkyl or alkenyl group of an acid R 7 C (O) -OH preferably present in coconut oil or in hydrolysed linseed oil, an alkyl group, especially of C 17 and its iso form, or an unsaturated C 17 group.
  • N-cocoylamidocarboxymethyl glycinate of an alkali metal such as sodium, or cocoamphodiacetate sold for example by the company Rhodia under the trade name C2M concentrate.
  • betaine surfactant e.g., (C 8 -C 20 ) alkylbetaines, sulfobetaines, (C 8 -C 20 alkyl) amido (C 2 -C 8 alkyl) betaines and (C 8 –C 20 alkyl) amido (C 2 -C 8 alkyl) sulfobetaines.
  • a betaine surfactant e.g., (C 8 -C 20 ) alkylbetaines, sulfobetaines, (C 8 -C 20 alkyl) amido (C 2 -C 8 alkyl) betaines and (C 8 –C 20 alkyl) amido (C 2 -C 8 alkyl) sulfobetaines.
  • amphoteric surfactants use is preferably made of cocoylamidopropylbetaine, cocoylbetaine and the N-cocoylamidocarboxymethyl glycinate of an alkali metal such as sodium.
  • the amphoteric surfactant mentioned above is cocoylamidopropylbetaine or cocoylbetaine.
  • the at least one amphoteric surfactant may be present in the composition according to the present invention in an amount from 1%to 20%, such as from 2%to 15%, or from 3%to 10%, relative to the total weight of the composition including all ranges and subranges therebetween.
  • the surfactant comprises preferably a combination of anionic surfactant and amphoteric surfactant. More preferably, the surfactant of the invention contains a combination of a sulfate anionic surfactant and a betaine surfactant, such as a combination of sodium laureth sulfate and cocoylamidopropylbetaine. Without being restricted to any known theory, it is believed that such a combination can particularly benefit the cleansing ability of the shampoo, especially when the fatty acid-ester mixture (A) is incorporated for the anti-itching effect.
  • composition of the invention may further comprise optionally at least one cationic polymer.
  • cationic polymer is intended to mean any polymer comprising cationic groups and/or groups that can be ionized to cationic groups.
  • the cationic polymer is hydrophilic or amphiphilic.
  • the preferred cationic polymers are chosen from those that contain units comprising primary, secondary, tertiary and/or quaternary amine groups that may either form part of the main polymer chain or may be borne by a side substituent directly connected thereto.
  • cationic polymers mention may be made more particularly of:
  • R’ 3 which may be identical or different, denote a hydrogen atom or a CH 3 group
  • - A which may be identical or different, represent a linear or branched divalent alkyl group of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms;
  • R’ 4 , R’ 5 and R’ 6 which may be identical or different, represent an alkyl group containing from 1 to 18 carbon atoms or a benzyl group, and preferably an alkyl group containing from 1 to 6 carbon atoms;
  • R’ 1 and R’ 2 which may be identical or different, represent a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms, and preferably methyl or ethyl;
  • - X denotes an anion derived from an inorganic or organic acid, such as a methosulfate anion or a halide such as chloride or bromide.
  • the copolymers of family (1) may also contain one or more units derived from comonomers which may be chosen from the family of acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen with C 1- C 4 alkyls, acrylic or methacrylic acids or esters thereof, vinyllactams such as vinylpyrrolidone or vinylcaprolactam, and vinyl esters.
  • Cationic polysaccharides in particular cationic celluloses and cationic galactomannan gums.
  • cationic polysaccharides mention may be made more particularly of cellulose ether derivatives comprising quaternary ammonium groups, cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer and cationic galactomannan gums.
  • cellulose ether derivatives comprising quaternary ammonium groups are in particular described in FR patent 1492597, and mention may be made of the polymers sold under the name Ucare Polymer (JR 400 LT, JR 125 and JR 30M) or LR (LR 400 or LR 30M) by the company Amerchol. These polymers are also defined in the CTFA dictionary as quaternary ammoniums of hydroxyethylcellulose that have reacted with an epoxide substituted with a trimethylammonium group.
  • Cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer are described in particular in US patent 4 131 576, and mention may be made of hydroxyalkyl celluloses, for instance hydroxymethyl-, hydroxyethyl-or hydroxypropylcelluloses grafted, in particular, with a methacryloylethyltrimethylammonium, methacrylamidopropyltrimethylammonium, dimethyldiallylammonium or hydroxypropyltrialkylammonium salt, for example 2-hydroxypropyl trimethyl ammonium chloride.
  • the commercial products corresponding to this definition are more particularly the products sold under the names L 200 and H 100 by the company National Starch, or hydroxyethyl cellulose-2-hydroxypropyl trimethyl ammonium chloride ether (INCI name: Polyquaternium-10) such as the product sold under the name 400KC by the company KCI.
  • guar gums comprising cationic trialkylammonium groups, e.g., guar hydroxypropyltrimonium chloride.
  • Use is made, for example, of guar gums modified with a 2, 3-epoxypropyltrimethylammonium salt (for example, a chloride) .
  • Such products are in particular sold under the names Jaguar C13 S, Jaguar C 15, Jaguar C 17 and Jaguar C162 by the company Rhodia.
  • Water-soluble polyaminoamides prepared in particular by polycondensation of an acidic compound with a polyamine; these polyaminoamides can be crosslinked by an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bisunsaturated derivative, a bishalohydrin, a bisazetidinium, a bishaloacyldiamine or an alkyl bishalide or alternatively by an oligomer resulting from the reaction of a bifunctional compound reactive with respect to a bishalohydrin, a bisazetidinium, a bishaloacyldiamine, an alkyl bishalide, an epihalohydrin, a diepoxide or a bisunsaturated derivative; the crosslinking agent being used in proportions ranging from 0.025 to 0.35 mol per amine group of the polyaminoamide; these polyaminoamides can be alkylated or, if they comprise one
  • Polyaminoamide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents Mention may be made, for example, of adipic acid/dialkylaminohydroxyalkyldialkylenetriamine polymers in which the alkyl group comprises from 1 to 4 carbon atoms and preferably denotes methyl, ethyl or propyl.
  • adipic acid/dimethylaminohydroxypropyl/diethylenetriamine polymers sold under the name F,F4 or F8 by the company Sandoz.
  • Polymers of this type are sold in particular under the name Hercosett 57 by the company Hercules Inc. or alternatively under the name PD 170 or Delsette 101 by the company Hercules in the case of the adipic acid/epoxypropyl/diethylenetriamine copolymer.
  • Cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium such as the homopolymers or copolymers comprising, as main constituent of the chain, units corresponding to formula (PI) or (PII) :
  • R 12 denotes a hydrogen atom or a methyl group
  • R 10 and R 11 independently of each other, denote an alkyl group containing from 1 to 6 carbon atoms, a hydroxyalkyl group in which the alkyl group contains 1 to 5 carbon atoms, a C 1 -C 4 amidoalkyl group; or alternatively R 10 and R 11 may denote, together with the nitrogen atom to which they are attached, heterocyclic groups such as piperidyl or morpholinyl; R 10 and R 11 , independently of each other, preferably denote an alkyl group containing from 1 to 4 carbon atoms;
  • Y - is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bisulfate, bisulfite, sulfate or phosphate.
  • R 13 , R 14 , R 15 and R 16 which may be identical or different, represent aliphatic, alicyclic or arylaliphatic groups comprising from 1 to 20 carbon atoms or C 1-4 hydroxyalkylaliphatic groups, or else R 13 , R 14 , R 15 and R 16 , together or separately, form, with the nitrogen atoms to which they are attached, heterocycles optionally comprising a second heteroatom other than nitrogen, or else R 13 , R 14 , R 15 and R 16 represent a linear or branched C 1 -C 6 alkyl group substituted by a nitrile, ester, acyl, amide or-CO-O-R 17 -D or -CO-NH-R 17 -D group, where R 17 is an alkylene and D a quaternary ammonium group;
  • a 1 and B 1 represent divalent polymethylene groups comprising from 2 to 20 carbon atoms which may be linear or branched, and saturated or unsaturated, and which may contain, linked to or inserted in the main chain, one or more aromatic rings, or one or more oxygen or sulfur atoms or sulfoxide, sulfone, disulfide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups, and
  • X - denotes an anion derived from an inorganic or organic acid
  • a 1 , R 13 and R 15 can form, with the two nitrogen atoms to which they are attached, a piperazine ring.
  • a 1 denotes a saturated or unsaturated and linear or branched alkylene or hydroxyalkylene group
  • B 1 can also denote a (CH 2 ) n -CO-D-OC- (CH 2 ) n -group in which D denotes:
  • a glycol residue of formula-O-Z-O- in which Z denotes a linear or branched hydrocarbon-based group, or a group corresponding to one of the following formulae: - (CH 2 -CH 2 -O) x -CH 2 -CH 2 -and- [CH 2 -CH (CH 3 ) -O] y -CH 2 -CH (CH 3 ) -, where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average degree of polymerization;
  • a bissecondary diamine residue such as a piperazine derivative
  • Y denotes a linear or branched hydrocarbon-based group, or else the divalent group -CH 2 -CH 2 -S-S-CH 2 -CH 2 -;
  • R 18 , R 19 , R 20 and R 21 which may be identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, ⁇ -hydroxyethyl, ⁇ -hydroxypropyl or -CH 2 CH 2 (OCH 2 CH 2 ) p OH group, where p is equal to 0 or to an integer of between 1 and 6, with the proviso that R 18 , R 19 , R 20 and R 21 do not simultaneously represent a hydrogen atom,
  • - r and s which may be identical or different, are integers between 1 and 6,
  • X - denotes an anion such as a halide
  • A denotes a radical of a dihalide or preferably represents-CH 2 -CH 2 -O-CH 2 -CH 2 -.
  • Examples that may be mentioned include the products A 15, AD1, AZ1 and 175 sold by the company Miranol.
  • Polyamines such as H sold by Cognis, referred to under the name Polyethylene glycol (15) tallow polyamine in the CTFA dictionary.
  • these polymers may be chosen in particular from homopolymers or copolymers comprising one or more units derived from vinylamine and optionally one or more units derived from vinylformamide.
  • these cationic polymers are chosen from polymers comprising, in their structure, from 5 mol%to 100 mol%of units corresponding to formula (A) and from 0 to 95 mol%of units corresponding to formula (B) , preferentially from 10 mol%to 100 mol%of units corresponding to formula (A) and from 0 to 90 mol%of units corresponding to formula (B) .
  • These polymers may be obtained, for example, by partial hydrolysis of polyvinylformamide. This hydrolysis may be performed in an acidic or basic medium.
  • the cationic charge density of these polymers may range from 2 to 20 meq/g, preferably from 2.5 to 15 meq/g and more particularly from 3.5 to 10 meq/g.
  • the polymers comprising units of formula (A) and optionally units of formula (B) are sold in particular under the name Lupamin by the company BASF, for instance, in a non-limiting manner, the products sold under the names Lupamin 9095, Lupamin 5095, Lupamin 1095, Lupamin 9030 (or Luviquat 9030) and Lupamin 9010.
  • cationic polymers that may be used in the context of the invention are cationic proteins or cationic protein hydrolysates, polyalkyleneimines, in particular polyethyleneimines, polymers comprising vinylpyridine or vinylpyridinium units, condensates of polyamines and of epichlorohydrin, quaternary polyureylenes and chitin derivatives.
  • the cationic polymers are chosen from those of family (2) mentioned above.
  • Useful cationic polymers in the compositions of the present invention may comprise quaternized hydroxyalkylcelluloses such as quaternized hydroxyethylcelluloses.
  • Useful polymers may be those known under the INCI name of Polyquaternium-10, Polyquaternium-37 and the like.
  • the cationic polymer may be present in the composition according to the present invention in an amount from 0.1 to 5%by weight of cationic polymer (s) , preferably from 0.2 to 2.5%by weight, or preferably from 0.3 to 1%by weight, relative to the total weight of the composition.
  • composition according to the invention can advantageously comprise one or more solvent (s) , e.g., water and/or organic solvent.
  • solvent e.g., water and/or organic solvent.
  • the composition according to the invention may advantageously comprises water in various amounts.
  • water is used in a content of greater than or equal to 40%by weight relative to the total weight of composition.
  • the water content in the low viscosity composition according to the invention preferably ranges from 40%to 90%by weight, more preferably from 50%to 85%by weight, or from 60%to 80%by weight, relative to the total weight of the composition.
  • composition according to the invention may also comprise one or more organic solvents, preferably water-soluble organic solvents (solubility of greater than or equal to 5%in water at 25°C and at atmospheric pressure) .
  • organic solvents preferably water-soluble organic solvents (solubility of greater than or equal to 5%in water at 25°C and at atmospheric pressure) .
  • organic solvents examples include linear or branched, and preferably saturated, monoalcohols or diols, comprising 2 to 10 carbon atoms, such as ethyl alcohol, isopropyl alcohol, hexylene glycol (2-methyl-2, 4-pentanediol) , neopentyl glycol and 3-methyl-1, 5-pentanediol, butylene glycol, dipropylene glycol and propylene glycol; aromatic alcohols such as phenylethyl alcohol; polyols containing more than two hydroxyl functions, such as glycerol; polyol ethers, for instance ethylene glycol monomethyl, monoethyl and monobutyl ether, propylene glycol or ethers thereof, for instance propylene glycol monomethyl ether; and also diethylene glycol alkyl ethers, especially C 1 -C 4 alkyl ethers, for instance diethylene glycol monoethyl ether or
  • the organic solvents when they are present, may be represent between 0%and 20%by weight relative to the total weight of the composition according to the invention, and preferably between 0.1%and 15%by weight, or between 0.3%and 5%by weight.
  • no alcohol, in particular polyol is intentionally added into the composition of the invention as an organic solvent.
  • the composition according to the present invention may be free of any polyol.
  • a polyol may be added for the purpose of acting as a wetting agent, which however may also function as a solvent, where the polyol is anyway not added intentionally as a solvent.
  • composition according to the present invention can preferably be formulated into a shampoo product having a transparent appearance.
  • the fatty acid-ester mixture (A) in particular AVCO
  • O/W oil-in-water
  • a solubilizer is preferably comprised in the aqueous phase.
  • the solubilizer is preferably a nonionic surfactant or a mixture thereof, more preferably a complex of solubilizers.
  • solubilizer in particular that for an oil-in-water microemulsion, a water-soluble organic solvent mentioned above, e.g., alcohols, such as ethanol, propanol and the like, may be used as a solubilizer, especially used for the complex.
  • a water-soluble organic solvent mentioned above e.g., alcohols, such as ethanol, propanol and the like, may be used as a solubilizer, especially used for the complex.
  • nonionic surfactants include fatty alcohols, ⁇ -diols and alkylphenols, these three types of compound being oxyalkylated such as polyethoxylated and/or polypropoxylated and/or polyglycerolated and containing a fatty chain comprising, for example, 6 to 40 carbon atoms, the number of alkylene oxide such as ethylene oxide or propylene oxide groups possibly ranging especially from 2 to 50 and/or the number of glycerol groups possibly ranging especially from 2 to 30.
  • polyethoxylated fatty amides preferably having from 2 to 30 mol of ethylene oxide, polyglycerolated fatty amides containing on average 1 to 5, and in particular 1.5 to 4
  • nonionic surfactant is chosen from:
  • fatty chain means a linear or branched, saturated or unsaturated hydrocarbon-based chain comprising from 6 to 30 carbon atoms and preferably from 8 to 30 carbon atoms.
  • alkyl polyglycosides or APGs these compounds are well known to a person skilled in the art.
  • R 1 represents a saturated or unsaturated, and linear or branched alkyl and/or alkenyl radical comprising from 8 to 24 carbon atoms or an alkylphenyl radical, wherein the linear or branched alkyl radical of which comprises from 8 to 24 carbon atoms;
  • R 2 represents an alkylene radical comprising approximately from 2 to 4 carbon atoms
  • G represents a sugar unit comprising from 5 to 6 carbon atoms
  • a denotes a value ranging from 0 to 10 and preferably from 0 to 4, and
  • b denotes a value ranging from 1 to 15.
  • Preferred alkyl polyglycosides useful in the composition of the present invention are compounds of formula (XI) in which R 1 more particularly denotes a saturated or unsaturated and linear or branched alkyl radical comprising from 8 to 18 carbon atoms, a denotes a value ranging from 0 to 3 and more particularly still equal to 0, and G can denote glucose, fructose or galactose, preferably glucose.
  • the degree of polymerization i.e. the value of b in the formula (I)
  • the average degree of polymerization is more particularly between 1 and 2 and even more preferably from 1.1 to 1.5.
  • glycoside bonds between the sugar units are of 1-6 or 1-4 type and preferably of 1-4 type.
  • Compounds of formula (I) are represented in particular by the products sold by Cognis under the names (600 CS/U, 1200 and 2000) or (818, 1200 and 2000) . Use may also be made of the caprylyl/capryl glucoside products sold by Seppic under the names Triton CG 110 (or Oramix CG 110) and Triton CG 312 (or NS 10) , the products sold by BASF under the name Lutensol GD 70 or the products sold by Chem Y under the name AG10 LK.
  • Use may also be made, for example, of C 8 -C 16 alkyl 1, 4-polyglucoside as a 53%aqueous solution, sold by Cognis under the reference 818 UP.
  • the mono-or polyglycerolated surfactants preferably comprise on average from 1 to 30 glycerol groups, more particularly from 1 to 10 glycerol groups and in particular from 1.5 to 5.
  • the monoglycerolated or polyglycerolated surfactants are preferably chosen from the compounds of the following formulae:
  • ⁇ R represents a saturated or unsaturated, linear or branched hydrocarbon-based radical comprising from 8 to 40 carbon atoms and preferably from 10 to 30 carbon atoms; m is an integer between 1 and 30, preferably between 1 and 10 and more particularly from 1.5 to 6; R” may optionally comprise heteroatoms, for instance oxygen and nitrogen. In particular, R” may optionally comprise one or more hydroxyl and/or ether and/or amide groups. R” preferably denotes mono-or polyhydroxylated C 10 -C 20 alkyl, and/or alkenyl radicals.
  • Use may be made, for example, of the polyglycerolated (3.5 mol) hydroxylauryl ether sold under the name NF from Chimex.
  • the (poly) ethoxylated fatty alcohols that are suitable for performing the invention are chosen more particularly from alcohols containing from 8 to 30 carbon atoms, and preferably from 12 to 22 carbon atoms.
  • the (poly) ethoxylated fatty alcohols more particularly contain one or more linear or branched, saturated or unsaturated hydrocarbon-based groups, comprising 8 to 30 carbon atoms, which are optionally substituted, in particular with one or more (in particular 1 to 4) hydroxyl groups. If they are unsaturated, these compounds may comprise one to three conjugated or non-conjugated carbon-carbon double bonds.
  • the (poly) ethoxylated fatty alcohol (s) preferably have the following formula (XII) :
  • R 3 representing a linear or branched C 8 -C 40 alkyl or alkenyl group and preferably C 8 -C 30 alkyl or alkenyl group, optionally substituted with one or more hydroxyl groups, and
  • - c is an integer between 1 and 200 inclusive, preferably between 2 and 50 and more particularly between 8 and 30, such as 20.
  • the (poly) ethoxylated fatty alcohols are more particularly fatty alcohols comprising from 8 to 22 carbon atoms, oxyethylenated with 1 to 30 mol of ethylene oxide (1 to 30 OE) .
  • fatty alcohols comprising from 8 to 22 carbon atoms, oxyethylenated with 1 to 30 mol of ethylene oxide (1 to 30 OE) .
  • nonionic surfactants use is preferably made of C 6 -C 24 alkyl polyglucosides and (poly) ethoxylated fatty alcohols, C 6 -C 16 alkyl polyglucosides are more particularly used.
  • Examples of the useful nonionic surfactants may thus comprise the polyethylene glycol esters of C 8 -C 24 fatty acids, and the oxyalkylenated derivatives thereof; the sorbitol esters of C 8 -C 24 fatty acids, and the oxyalkylenated derivatives thereof; the sorbitan esters of fatty acids (C 8 -C 24 fatty acid esters) , and the oxyalkylenated derivatives thereof; the sugar (sucrose, glucose or alkylglucose) esters of C 8 -C 24 fatty acids, and the oxyalkylenated derivatives thereof; fatty alcohol ethers; the sugar ethers of C 8 -C 24 fatty alcohols, and mixtures thereof.
  • the at least one nonionic surfactant may be present in the composition according to the present invention in an amount from 0.2%to 20%, such as from 1%to 15%, or from 2%to 10%, relative to the total weight of the composition including all ranges and subranges therebetween.
  • a complex of solubilizers is used to improve oil suspension in micelle and enhance transparency of a shampoo product.
  • a complex of at least one the nonionic surfactant above with an alcohol useful as the organic solvent above is preferable.
  • an effective complex of solubilizers may comprise 0.1-8%caprylyl/capryl glucoside and 0.1-3.5%alcohol, while in a transparent shampoo without sulfate surfactant, an effective complex of solubilizers may comprise 3-6%POLYSORBATE 20 and 2-4.5%alcohol, relative to the total weight of the composition.
  • compositions of the present invention are provided for application to keratin materials, such as skin, scalp or hair.
  • the compositions of the present invention can comprise various ingredients conventionally useful in compositions for caring for keratin materials, such as, active ingredients, humectants, additional fatty substances, antidandruff agents, anti-seborrhoea agents, agents for preventing hair loss and/or for promoting hair regrowth, vitamins and provitamins including panthenol, sunscreens, sequestrants, plasticizers, acidifying agents, opacifiers, pearlescent or nacreous agents, antioxidants, hydroxyacids, fragrances and preserving agents.
  • additives may be selected variously by the person skilled in the art in order to prepare a composition which has the desired properties, for example, consistency or texture.
  • the additives, if used, and the amounts thereof are particularly determined according to the specific products/applications thereof, e.g., lotion, leave-on conditioner, shampoo, cream, rinse-off conditioner, emulsion and the like.
  • additives may be present in the composition in an amount from 0.01%to 90%relative to the total weight of the composition and further such as from 0.1%to 50% (if present) , including all ranges and subranges therebetween.
  • composition according to the present invention can be generally prepared according to the general knowledge of a person skilled in the art. Nevertheless, it is to be understood that a person skilled in the art can choose the method of preparation, on the basis of his/her general knowledge, taking into account the nature of the constituents used, for example, their solubility in the vehicle, and the application envisaged for the compositions or the kit.
  • the composition according to the present invention can be used for caring for keratin materials, especially the hair along with the scalp.
  • This use may manifest itself as a process for caring for keratin materials, especially the hair, comprising the step applying to said keratin materials the composition of the invention.
  • composition according to the present invention is preferably useful to produce a shampoo product. According to the detailed discussions above, it is to be understood that the shampoo product according to the present invention may advantageously have a creamy appearance or a transparent appearance.
  • composition, and in turn the shampoo product according to the present invention may be free of silicone oil, and/or be free of sulphate.
  • compositions/formulas described below were expressed in %by weight, relative to the total weight of each composition/formula.
  • COCOS NUCIFERA activated virgin coconut oil (AVCO) , available from BIOTROPICS
  • composition A1 and comparative compositions A1’ and A1”, as Table 1-1 were formulated:
  • compositions A1, A1’ and A1 were prepared according to known manufacturing method of field.
  • compositions A1 and A1’ and A1” were obtained in shampoo product according to the present invention.
  • compositions B1 as Table 1-2 were formulated:
  • composition B1 was prepared according to known manufacturing method of field.
  • compositions A2 and B2, and comparative compositions C2 and D2, as Tables 2-1 and 2-2 were respectively formulated:
  • compositions A2-D2 were prepared according to known manufacturing method of field.
  • compositions A2-D2 were obtained in shampoo product according to the present invention. Particularly, all of the compositions A2-D2 were obtained in a transparent appearance.
  • the soothing feeling of the composition A1 was evaluated. 5 volunteers between age of 25 and 45 applied the composition A1 on the hair and scalp every day for 3 weeks, followed by 2 weeks without using the Composition A1. The anti-itchy feeling (soothing feeling) was assessed in the total 5 weeks. Scores of itchy feeling before the application of the composition A1 was given as a baseline, the scores of itchy feeling after application of the composition A1 was given every day, the mean difference was shown in the Figure 1.
  • each volunteer washed hair with the composition A1 at every evening, in which the conventional usage of each volunteer was used.
  • each volunteer washed hair with a standard shampoo without AVCO also at every evening, in which the conventional usage of each volunteer was still used.
  • composition A1 and comparative composition A1 The suppleness effect on the hair was evaluated using the composition A1 and comparative composition A1” . Hair swatches were washed using the compositions A1 and A1” respectively, then dried out. The hair swatches were subsequently tested by instrument HYACINTHE CN from AJ AUTOMATION for bending test. The result was shown in Figure 2.
  • composition A was significantly better.

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Abstract

L'invention concerne une composition de soin des matières kératiniques, comprenant un mélange d'ester d'acide gras d'une pluralité, par exemple d'au moins 3, 4 ou 5, d'acides gras à chaîne moyenne et d'une pluralité, par exemple d'au moins 3, 4 ou 5, de monoesters ; et au moins un tensioactif anionique.
PCT/CN2019/130484 2019-12-31 2019-12-31 Composition pour soin des matières kératiniques WO2021134469A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378731A (en) * 1991-06-07 1995-01-03 Minnesota Mining And Manufacturing Company Medicated shampoo
US20040191204A1 (en) * 2002-12-19 2004-09-30 Jonathan Gawtrey Composition for washing keratinous substances comprising at least one alkyl ether sulphate and at least one amphoteric surfactant
WO2005092275A1 (fr) * 2004-03-26 2005-10-06 L'oreal Composition cosmetique comprenant un dendrimere a chaînes grasses peripheriques, un tensioactif et un agent cosmetique, et ses utilisations
US20090048132A1 (en) * 2007-06-29 2009-02-19 Laurence Paul Detergent cosmetic compositions comprising four surfactants, a cationic polymer, and a beneficial agent and uses thereof
US20100016430A1 (en) * 2005-12-07 2010-01-21 Malaysian Agriculteral Research And Development In Modified coconut oils with broad antimicrobial spectrum
JP2013087096A (ja) * 2011-10-19 2013-05-13 Taiyo Kagaku Co Ltd 抗菌組成物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2976483B1 (fr) * 2011-06-17 2013-07-26 Oreal Composition cosmetique comprenant un tensioactif anionique, un tensioactif non ionique ou amphotere et un alcool gras solide et procede de traitement cosmetique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378731A (en) * 1991-06-07 1995-01-03 Minnesota Mining And Manufacturing Company Medicated shampoo
US20040191204A1 (en) * 2002-12-19 2004-09-30 Jonathan Gawtrey Composition for washing keratinous substances comprising at least one alkyl ether sulphate and at least one amphoteric surfactant
WO2005092275A1 (fr) * 2004-03-26 2005-10-06 L'oreal Composition cosmetique comprenant un dendrimere a chaînes grasses peripheriques, un tensioactif et un agent cosmetique, et ses utilisations
US20100016430A1 (en) * 2005-12-07 2010-01-21 Malaysian Agriculteral Research And Development In Modified coconut oils with broad antimicrobial spectrum
US20090048132A1 (en) * 2007-06-29 2009-02-19 Laurence Paul Detergent cosmetic compositions comprising four surfactants, a cationic polymer, and a beneficial agent and uses thereof
JP2013087096A (ja) * 2011-10-19 2013-05-13 Taiyo Kagaku Co Ltd 抗菌組成物

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