WO2016104397A1 - Depilatory tape and depilation method - Google Patents

Depilatory tape and depilation method Download PDF

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Publication number
WO2016104397A1
WO2016104397A1 PCT/JP2015/085625 JP2015085625W WO2016104397A1 WO 2016104397 A1 WO2016104397 A1 WO 2016104397A1 JP 2015085625 W JP2015085625 W JP 2015085625W WO 2016104397 A1 WO2016104397 A1 WO 2016104397A1
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Prior art keywords
hair removal
water
tape
skin
mass
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PCT/JP2015/085625
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French (fr)
Japanese (ja)
Inventor
英淑 権
純也 長谷川
文男 神山
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コスメディ製薬株式会社
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Publication of WO2016104397A1 publication Critical patent/WO2016104397A1/en

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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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • 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
    • 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
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • 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
    • A61K8/73—Polysaccharides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q9/00—Preparations for removing hair or for aiding hair removal
    • A61Q9/04—Depilatories

Definitions

  • the present invention relates to a hair removal tape and a hair removal method capable of removing hair without giving pain by being applied to the skin.
  • Hair removal that consciously removes part of body hair has been performed for a long time.
  • organic sulfur compounds such as thioglycolic acid have been used for some time.
  • a cream-like or paste-like hair removal agent containing thioglycolic acid (salt) as a main ingredient is disclosed (Patent Documents 1 and 2). This hair removal agent is applied to a site where hair removal is desired, air-dried, formed into a film, and then peeled off to remove the hair.
  • drugs used as hair removal agents sometimes contaminate clothes or cause skin disorders such as rough skin.
  • Patent Document 4 Proposal of sheet-like hair removal material in which thioglycolic acid (salt), water-soluble polymer, water and urea are uniformly mixed, coated on a water vapor-impermeable substrate (eg, polyethylene), and dried by heating.
  • a water vapor-impermeable substrate eg, polyethylene
  • Patent Document 5 In order to reinforce the adhesive strength, it has also been proposed to use polyvinyl alcohol or an acrylic adhesive together. Thyglycolic acid (salt), water-soluble polymer, urea, etc. are uniformly mixed with water, applied to a hydrophobic and moisture-permeable support (eg, non-woven fabric), and dried sheet-like hair remover It has been proposed (Patent Document 5).
  • An object of the present invention is to provide a depilation tape and a depilation method that can be adhered and adhered to a skin site to be depilated, and can be depilated only by peeling without causing pain or damaging the skin.
  • the epilation tape of the present invention comprises a water vapor impermeable or poorly permeable support, and a mixture of a depilatory agent and an adhesive base held on the support, wherein the depilatory agent is a thiol. It is comprised from glycolic acid or its salt,
  • the said adhesive base material is comprised by water-soluble polymer and polyhydric alcohol, Content of polyhydric alcohol with respect to 100 mass parts of said water-soluble polymers is 150. -500 parts by mass.
  • depilatory thioglycolic acid salt
  • thioglycolic acid sodium thioglycolate
  • calcium thioglycolate calcium thioglycolate
  • metal sulfide metal sulfide
  • the amount of the hair removal agent is preferably 50 to 300 parts by weight with respect to 100 parts by weight of the water-soluble polymer. If the hair removal agent is smaller than 50 parts by mass with respect to 100 parts by mass of the water-soluble polymer, a clear depilation effect may not be exhibited. On the other hand, when the amount is larger than 300 parts by mass, the uniformity as the pressure-sensitive adhesive is difficult to maintain, and the cohesive force may be insufficient, and the adhesive residue may be generated when the skin is applied.
  • the water-soluble polymer is preferably at least one selected from the group consisting of hydroxypropylcellulose, sodium carboxymethylcellulose, hydroxyethylcellulose, hyaluronic acid, and dextran.
  • the polyhydric alcohol is preferably at least one selected from the group consisting of glycerin, ethylene glycol, propylene glycol, polyethylene glycol, and butylene glycol.
  • the mass ratio between the water-soluble polymer and the polyhydric alcohol is very important.
  • the polyhydric alcohol needs to be 150 parts by mass or more and 500 parts by mass or less with respect to 100 parts by mass of the water-soluble polymer.
  • the polyhydric alcohol is more preferably 200 to 450 parts by mass.
  • the amount is larger than 500 parts by mass, the cohesive force as an adhesive is insufficient, and it tends to cause adhesive residue on the skin when peeling off the skin.
  • Additives may be added to increase the effectiveness of the hair removal agent.
  • thioglycolic acid salt
  • it is effective to add sodium hydroxide, potassium hydroxide or the like.
  • Urea is effective because it swells the hair.
  • you may add antioxidant, a moisturizer, a filler, a fragrance
  • the antioxidant include BHA (butylhydroxyanisole) and BHT (butylhydroxytoluene).
  • humectant hyaluronic acid, pyrrolidone carboxylic acid, butylene glycol, urea, glycerin, and the like can be used.
  • filler titanium oxide, zinc oxide, kaolin, or the like can be used.
  • fragrance to cover the odor.
  • Natural fragrances and synthetic fragrances can be used as the fragrance, and they may be combined and formulated. It is also convenient for users with weak skin to use a component having an anti-inflammatory action, for example, glycyrrhetinic acid (salt), polyphenol, vitamin B, and the like.
  • the support is preferably a flexible tape that is impermeable or hardly permeable to water vapor.
  • examples thereof include resin films such as polyester, polyethylene, polypropylene, polyvinyl chloride, and polyurethane.
  • a nonwoven fabric and a resin film may be laminated.
  • a support having a high water permeability is not preferred because moisture evaporates through the support, the hair removal tape dries and weakens its adhesion, and further reduces the hair removal effect. It is preferable to use the hair removal tape in a moist state. For this purpose, it is necessary not to allow moisture supplied from the skin to escape, and it is also preferable to apply the hair removal tape after wetting it with water before use.
  • the hair removal tape of the present invention can be produced by spreading on a release paper in a state where the hair removal agent and the adhesive base are uniformly dissolved or dispersed in water, drying, and laminating the support.
  • the hair removal agent and the adhesive base may be spread on a support in a state where the hair removal agent and the adhesive base are uniformly dissolved or dispersed in water, dried, and then laminated with release paper.
  • An oxygen scavenger may be used in combination for storing the epilation tape.
  • the layer containing the hair removal agent and the adhesive base When the layer containing the hair removal agent and the adhesive base is thin, the body hair is not buried in the hair removal agent-containing layer, making it difficult to remove the hair, and the thickness is preferably 50 to 600 ⁇ m, more preferably 100 to 400 ⁇ m.
  • the epilation tape When the epilation tape is dried by storage, it may be applied to the skin after being given moisture just before use. Specifically, the skin of the application section may be wetted with gauze containing water, or the hair removal tape itself may be wetted with water and applied to the skin.
  • the hair removal method according to the present invention comprises a hair removal agent comprising thioglycolic acid or a salt thereof, a water-soluble polymer, and a polyhydric alcohol having a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer.
  • a hair removal agent comprising thioglycolic acid or a salt thereof, a water-soluble polymer, and a polyhydric alcohol having a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer.
  • the mixture with the constructed adhesive base Prior to applying the epilation tape held on the water vapor impermeable or poorly permeable support to the skin, the mixture with the constructed adhesive base is wetted with water and the skin and / or epilation tape. It is characterized by affixing the epilation tape to the skin later. However, medical practice shall be excluded.
  • the hair removal tape of the present invention can be applied to a site where hair removal is desired, and can be removed without feeling pain when the skin is applied and without soiling the skin.
  • FIG. 1 is a schematic configuration diagram of a hair removal tape according to an embodiment of the present invention.
  • FIG. 1 is a schematic configuration diagram of a hair removal tape according to an embodiment of the present invention.
  • the epilation tape 1 includes a support 2 and a mixture 3.
  • the support 2 is a water vapor impermeable or hardly permeable support.
  • a mixture 3 is provided on the support 2. More specifically, the mixture 3 is held on the support 2.
  • Mixture 3 is a mixture of a hair removal agent and an adhesive base.
  • the said depilatory agent is comprised from thioglycolic acid or its salt.
  • the adhesive substrate is composed of a water-soluble polymer and a polyhydric alcohol. The content of the polyhydric alcohol with respect to 100 parts by mass of the water-soluble polymer is 150 to 500 parts by mass.
  • the epilation tape 1 Since the epilation tape 1 has the above-described configuration, it can be applied to a site where depilation is desired, and the epilation can be performed without feeling pain and without contaminating the skin.
  • the hair removal method comprises a hair removal agent composed of thioglycolic acid or a salt thereof, a water-soluble polymer, and a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer.
  • a hair removal agent composed of thioglycolic acid or a salt thereof, a water-soluble polymer, and a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer.
  • the hair removal method of the present embodiment it can be applied to a site where hair removal is desired, and hair removal can be performed without feeling pain and without soiling the skin.
  • Table 1 shows the compositions (units are parts by mass) of the prepared samples of Examples and Comparative Examples. Stir the suspension of each sample well, add aqueous sodium hydroxide solution to adjust the pH to 12, apply onto a 50 ⁇ m thick PET film so that the thickness after drying is 300 ⁇ m, and 30 ° C. at 30 ° C. A hair removal tape was prepared by heat drying for a few minutes. The prepared tape was stored in an aluminum bag containing an oxygen scavenger. In Table 1, a blank indicates that the component is not included (0 part by mass).
  • the samples of Examples 5, 6, and 7 contain a fragrance and dipotassium glycyrrhetinate.
  • a hair removal cream (“Pure Care Hair Removal Cream” manufactured by Kanebo Cosmerion) was used as Comparative Example 3
  • a hair removal tape (“Kracie Epirapid” manufactured by Kracie Corporation) was used as Comparative Example 4.
  • Example 1 to Comparative Example 2 The hair removal material (Example 1 to Comparative Example 2) was cut into 2 ⁇ 4 cm and used. The hair removal tapes of Examples 1 to 3 and Comparative Examples 1 to 4 were affixed to the arm of 5 evaluators for 20 minutes, and the performance evaluation of the following items was performed. In addition, Comparative Examples 3 and 4 followed the usage described in the product. The results are shown in Table 2.
  • Each evaluation item in Table 2 has the following contents. (1) The number of respondents who answered that the epilation tape was stably applied to the skin for at least 20 minutes among the five evaluators. The * mark in the stable affixing column indicates that the four people have peeled off the adhesive strength. (2) Number of respondents out of 5 evaluators who answered that almost 20% of the sites had been removed. (3) Number of respondents who answered that they did not feel pain when peeling the epilation tape out of 5 evaluators. The asterisk in the pain column indicates that all evaluators have reported that they were extremely painful. (4) Number of respondents who answered that it took no effort to remove the affixed hair removal material among the 5 evaluators. The * mark in the removal labor column indicates that the adhesive layer or cream is attached to the skin and it took time to remove it.
  • Example 7 Evaluation of skin irritation, unpleasant odor, etc.
  • the hair removal tapes of Examples 4 to 7 were evaluated for skin irritation and unpleasant odor.
  • Examples 4, 5, and 6 were applied to dry skin.
  • Example 7 the application skin site was wetted with water prior to application, and then the epilation tape was applied.
  • Each example tape was affixed to the arm of five evaluators for 20 minutes, and then the tape was peeled off for evaluation.
  • the hair removal tape of Example 8 was obtained by applying a hair removal agent having the same composition as Example 7 on a PET film (water-impermeable) having a thickness of 50 ⁇ m so that the thickness after drying was 300 ⁇ m.
  • the hair removal tape of Comparative Example 5 is obtained by applying a hair removal agent having the same composition as Example 7 on a polyester nonwoven fabric (50 g / 1 m 2 : water permeability) so that the thickness after drying becomes 300 ⁇ m.

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  • Life Sciences & Earth Sciences (AREA)
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  • Veterinary Medicine (AREA)
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Abstract

Provided is a depilatory tape which can be adhered in intimate contact to a region of the skin to be depilated, and with which depilation is possible simply by peeling, without causing pain or injury to the skin. This depilatory tape 1 is characterized by comprising a water vapor-impermeable or relatively impermeable support 2, and a mixture 3 of a depilatory agent and an adhesive base, retained on the support 2, the depilatory agent being composed of thioglycolic acid or a salt thereof, and the adhesive base being composed of a water-soluble polymer and a polyhydric alcohol, the polyhydric alcohol content being 150-500 mass parts to 100 mass parts of the water-soluble polymer.

Description

脱毛テープ及び脱毛方法Hair removal tape and hair removal method
　本発明は、皮膚に貼付することにより痛みを与えずに脱毛可能な脱毛テープ及び脱毛方法に関する。 The present invention relates to a hair removal tape and a hair removal method capable of removing hair without giving pain by being applied to the skin.
　体毛の一部を意識的に除去する脱毛は、古くから行われてきた。化学物質を用いる脱毛には、以前からチオグリコール酸などの有機イオウ化合物が利用されてきた。
　主剤としてチオグリコール酸（塩）を含有するクリーム状ないしはペースト状の脱毛剤が開示されている（特許文献１、２）。この脱毛剤は、脱毛したい部位に塗布して風乾し、被膜化してから剥離して脱毛するものであるが、脱毛後体毛を拭き取ったり、洗い流すのに手間がかかるという問題点があった。さらに、脱毛剤に使用される薬剤は、衣服を汚染したり、肌あれ等の皮膚障害を起こすことがあった。 Hair removal that consciously removes part of body hair has been performed for a long time. For hair removal using chemical substances, organic sulfur compounds such as thioglycolic acid have been used for some time.
A cream-like or paste-like hair removal agent containing thioglycolic acid (salt) as a main ingredient is disclosed (Patent Documents 1 and 2). This hair removal agent is applied to a site where hair removal is desired, air-dried, formed into a film, and then peeled off to remove the hair. In addition, drugs used as hair removal agents sometimes contaminate clothes or cause skin disorders such as rough skin.
　クリーム状の脱毛剤の欠点を除去するため、テープ状の脱毛剤も開発された。支持体上に粘着剤層を設けた脱毛テープを脱毛したい部位に貼付し、粘着力を利用して体毛を物理的に引きちぎる脱毛テープは、脱毛の際に苦痛を生じるとの問題点があった（特許文献３）。 In order to eliminate the disadvantages of cream-like hair removal agents, tape-like hair removal agents have also been developed. There is a problem that a hair removal tape that has a pressure sensitive adhesive layer provided on a support is applied to a site where hair removal is desired, and the hair is physically torn off using adhesive force, causing pain during hair removal. (Patent Document 3).
　チオグリコール酸（塩）、水溶性高分子、水、尿素、を均一に混合し、水蒸気難透過性の支持体（例：ポリエチレン）上に塗布し、加熱乾燥させたシート状の脱毛材が提案されている（特許文献４）。粘着力を強化するため、ポリビニルアルコールやアクリル系粘着剤を併用することも提案されている。
　チオグリコール酸（塩）、水溶性高分子、尿素等を水に均一に混合し、疎水的かつ透湿的な支持体（例：不織布）上に塗布し、乾燥させたシート状の脱毛剤も提案されている（特許文献５）。 Proposal of sheet-like hair removal material in which thioglycolic acid (salt), water-soluble polymer, water and urea are uniformly mixed, coated on a water vapor-impermeable substrate (eg, polyethylene), and dried by heating. (Patent Document 4). In order to reinforce the adhesive strength, it has also been proposed to use polyvinyl alcohol or an acrylic adhesive together.
Thyglycolic acid (salt), water-soluble polymer, urea, etc. are uniformly mixed with water, applied to a hydrophobic and moisture-permeable support (eg, non-woven fabric), and dried sheet-like hair remover It has been proposed (Patent Document 5).
特開昭５７－４８９０６号公報JP-A-57-48906 特開昭６１－２２１１１２号公報JP-A 61-221112 実開昭６２－１７０７２４号公報Japanese Utility Model Publication No. 62-170724 特開平６－１９２０５６号公報JP-A-6-192056 特開平１１－１２１２３号公報Japanese Patent Laid-Open No. 11-12123
　本発明は、脱毛したい皮膚部位に密着貼付でき、苦痛を与えたり、皮膚を傷めることなく剥離するだけで脱毛が可能な脱毛テープ及び脱毛方法を提供することを目的とする。 An object of the present invention is to provide a depilation tape and a depilation method that can be adhered and adhered to a skin site to be depilated, and can be depilated only by peeling without causing pain or damaging the skin.
　本発明の脱毛テープは、水蒸気不透過性または難透過性の支持体と、前記支持体上に保持されている、脱毛剤及び粘着性基剤の混合物と、を備え、前記脱毛剤が、チオグリコール酸又はその塩から構成されており、前記粘着性基材が、水溶性高分子及び多価アルコールにより構成されており、前記水溶性高分子１００質量部に対する多価アルコールの含有量が、１５０～５００質量部であることを特徴とする。 The epilation tape of the present invention comprises a water vapor impermeable or poorly permeable support, and a mixture of a depilatory agent and an adhesive base held on the support, wherein the depilatory agent is a thiol. It is comprised from glycolic acid or its salt, The said adhesive base material is comprised by water-soluble polymer and polyhydric alcohol, Content of polyhydric alcohol with respect to 100 mass parts of said water-soluble polymers is 150. -500 parts by mass.
　脱毛剤のチオグリコール酸（塩）としては、チオグリコール酸、チオグリコール酸ナトリウム、チオグリコール酸カルシウムあるいは金属硫化物、あるいはこれらの混合物を用いることができる。 As the depilatory thioglycolic acid (salt), thioglycolic acid, sodium thioglycolate, calcium thioglycolate, metal sulfide, or a mixture thereof can be used.
　脱毛剤は少なすぎると脱毛効果を発現せず、多すぎると皮膚を傷める可能性があるので、水溶性高分子１００質量部に対して、５０～３００質量部が好ましい。水溶性高分子１００質量部に対して脱毛剤が５０質量部より小さいと明確な脱毛効果を発現しない場合がある。また３００質量部より大きいと粘着剤としての均一性が保ちにくく凝集力の不足、皮膚貼付時の糊残りを起こす場合がある。 If the amount of the hair removal agent is too small, the hair removal effect is not exhibited. If the amount is too large, the skin may be damaged. Therefore, the amount is preferably 50 to 300 parts by weight with respect to 100 parts by weight of the water-soluble polymer. If the hair removal agent is smaller than 50 parts by mass with respect to 100 parts by mass of the water-soluble polymer, a clear depilation effect may not be exhibited. On the other hand, when the amount is larger than 300 parts by mass, the uniformity as the pressure-sensitive adhesive is difficult to maintain, and the cohesive force may be insufficient, and the adhesive residue may be generated when the skin is applied.
　水溶性高分子としては、ヒドロキシプロピルセルロース、カルボキシメチルセルロースナトリウム、ヒドロキシエチルセルロース、ヒアルロン酸、及びデキストラン、からなる群より選ばれた少なくとも１種以上とすることが好ましい。 The water-soluble polymer is preferably at least one selected from the group consisting of hydroxypropylcellulose, sodium carboxymethylcellulose, hydroxyethylcellulose, hyaluronic acid, and dextran.
　多価アルコールとしては、グリセリン、エチレングリコール、プロピレングリコール、ポリエチレングリコール、及びブチレングリコールからなる群より選ばれた少なくとも１種以上とすることが好ましい。水溶性高分子と多価アルコールの質量比は非常に重要である。水溶性高分子１００質量部に対し多価アルコールは１５０質量部以上５００質量部以下であることが必要である。多価アルコールが２００～４５０質量部であるとより好ましい。多価アルコールが１５０質量部より小さいと粘着剤としての皮膚接着性が弱く、皮膚への密着性が悪く従って脱毛効果が発現しにくい。また５００質量部より大きいと粘着剤としての凝集力が不足して皮膚剥離時皮膚への糊残りを起こしがちとなる。 The polyhydric alcohol is preferably at least one selected from the group consisting of glycerin, ethylene glycol, propylene glycol, polyethylene glycol, and butylene glycol. The mass ratio between the water-soluble polymer and the polyhydric alcohol is very important. The polyhydric alcohol needs to be 150 parts by mass or more and 500 parts by mass or less with respect to 100 parts by mass of the water-soluble polymer. The polyhydric alcohol is more preferably 200 to 450 parts by mass. When the polyhydric alcohol is less than 150 parts by mass, the adhesiveness to the skin as a pressure-sensitive adhesive is weak, the adhesion to the skin is poor, and therefore the hair removal effect is difficult to be exhibited. On the other hand, when the amount is larger than 500 parts by mass, the cohesive force as an adhesive is insufficient, and it tends to cause adhesive residue on the skin when peeling off the skin.
　脱毛剤の効果を増加させるために添加剤を加えてもよい。
　チオグリコール酸（塩）の作用を増強するためには、水酸化ナトリウム、水酸化カリウム等を添加するのが有効である。尿素は体毛を膨潤させるので有効である。
　その他、酸化防止剤、保湿剤、充填剤、香料、抗炎症剤、等を、本発明の脱毛テープの作用を阻害しない範囲で添加してもよい。酸化防止剤としては、ＢＨＡ（ブチルヒドロキシアニソール）、ＢＨＴ（ブチルヒドロキシトルエン）、等が挙げられる。保湿剤としては、ヒアルロン酸、ピロリドンカルボン酸、ブチレングリコール、尿素、グリセリン、などが用いうる。充填剤としては、酸化チタン、酸化亜鉛、カオリン、などを用いうる。 Additives may be added to increase the effectiveness of the hair removal agent.
In order to enhance the action of thioglycolic acid (salt), it is effective to add sodium hydroxide, potassium hydroxide or the like. Urea is effective because it swells the hair.
In addition, you may add antioxidant, a moisturizer, a filler, a fragrance | flavor, an anti-inflammatory agent, etc. in the range which does not inhibit the effect | action of the hair removal tape of this invention. Examples of the antioxidant include BHA (butylhydroxyanisole) and BHT (butylhydroxytoluene). As the humectant, hyaluronic acid, pyrrolidone carboxylic acid, butylene glycol, urea, glycerin, and the like can be used. As the filler, titanium oxide, zinc oxide, kaolin, or the like can be used.
　チオグリコール酸（塩）に不快臭を感じる人も多い。その臭いをカバーするために香料を加えることが好ましい。香料は天然香料、合成香料、いずれも用いることは可能であり、また組み合わせて調合してもよい。また、抗炎症作用を有する成分、たとえばグリチルレチン酸（塩）、ポリフェノール、ビタミンＢ、などを併用することも肌が弱い使用者にとって便利である。 Many people feel unpleasant odor with thioglycolic acid (salt). It is preferable to add a fragrance to cover the odor. Natural fragrances and synthetic fragrances can be used as the fragrance, and they may be combined and formulated. It is also convenient for users with weak skin to use a component having an anti-inflammatory action, for example, glycyrrhetinic acid (salt), polyphenol, vitamin B, and the like.
　支持体としては、水蒸気が不透過又は難透過性であり、かつ柔軟なテープが好ましい。例えば、ポリエステル、ポリエチレン、ポリプロピレン、ポリ塩化ビニル、ポリウレタン等の樹脂フィルムが挙げられる。粘着性基剤の支持体への密着性をよくするため不織布と樹脂フィルムとをラミネートしてもよい。
　水透過性が大きい支持体は、支持体を通して水分が蒸散し、脱毛テープが乾燥してその付着性を弱め、さらに脱毛効果を弱めるので好ましくない。脱毛テープは湿った状態で使用することが好ましく、そのためには皮膚から供給される水分を逃がさないことが必要であり、使用前に水で濡らしてから貼付するのも好ましい。 The support is preferably a flexible tape that is impermeable or hardly permeable to water vapor. Examples thereof include resin films such as polyester, polyethylene, polypropylene, polyvinyl chloride, and polyurethane. In order to improve the adhesion of the adhesive base to the support, a nonwoven fabric and a resin film may be laminated.
A support having a high water permeability is not preferred because moisture evaporates through the support, the hair removal tape dries and weakens its adhesion, and further reduces the hair removal effect. It is preferable to use the hair removal tape in a moist state. For this purpose, it is necessary not to allow moisture supplied from the skin to escape, and it is also preferable to apply the hair removal tape after wetting it with water before use.
　本発明の脱毛テープは、脱毛剤と粘着性基剤とを水中に均一に溶解又は分散させた状態で剥離紙上に展延し、乾燥後、支持体を積層することにより製造できる。もっとも、脱毛剤と粘着性基剤とを水中に均一に溶解又は分散させた状態で支持体上に展延し、乾燥後、剥離紙を積層することにより製造してもよい。脱毛テープの保存には脱酸素剤を併用してもよい。 The hair removal tape of the present invention can be produced by spreading on a release paper in a state where the hair removal agent and the adhesive base are uniformly dissolved or dispersed in water, drying, and laminating the support. However, the hair removal agent and the adhesive base may be spread on a support in a state where the hair removal agent and the adhesive base are uniformly dissolved or dispersed in water, dried, and then laminated with release paper. An oxygen scavenger may be used in combination for storing the epilation tape.
　脱毛剤と粘着性基剤を含有する層は、薄いと体毛が脱毛剤含有層中に埋もれず、脱毛され難くなり、厚さは５０～６００μｍが好ましく、１００～４００μｍがより好ましい。脱毛テープは、保存により乾燥した場合、使用直前に水分を与えてから皮膚に適用してもよい。具体的には適用部皮膚を水を含んだガーゼなどで皮膚をぬらす、あるいは脱毛テープ自身を水でぬらして皮膚に適用すればよい。 When the layer containing the hair removal agent and the adhesive base is thin, the body hair is not buried in the hair removal agent-containing layer, making it difficult to remove the hair, and the thickness is preferably 50 to 600 μm, more preferably 100 to 400 μm. When the epilation tape is dried by storage, it may be applied to the skin after being given moisture just before use. Specifically, the skin of the application section may be wetted with gauze containing water, or the hair removal tape itself may be wetted with water and applied to the skin.
　本発明に係る脱毛方法は、チオグリコール酸又はその塩から構成される脱毛剤と、水溶性高分子及び該水溶性高分子１００質量部に対する含有量が１５０～５００質量部である多価アルコールから構成される粘着性基剤との混合物が、水蒸気不透過性または難透過性の支持体上に保持されている脱毛テープを皮膚に貼付するに先立ち、皮膚及び／又は脱毛テープを水でぬらして後に脱毛テープを皮膚に貼付することを特徴とする。ただし、医療行為は除かれるものとする。 The hair removal method according to the present invention comprises a hair removal agent comprising thioglycolic acid or a salt thereof, a water-soluble polymer, and a polyhydric alcohol having a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer. Prior to applying the epilation tape held on the water vapor impermeable or poorly permeable support to the skin, the mixture with the constructed adhesive base is wetted with water and the skin and / or epilation tape. It is characterized by affixing the epilation tape to the skin later. However, medical practice shall be excluded.
　本発明の脱毛テープは、脱毛を行いたい部位に貼付でき、皮膚貼付の際に苦痛を感じることなくまた皮膚を汚すことなく脱毛できる。 The hair removal tape of the present invention can be applied to a site where hair removal is desired, and can be removed without feeling pain when the skin is applied and without soiling the skin.
図１は、本発明の一実施形態に係る脱毛テープの概略構成図である。FIG. 1 is a schematic configuration diagram of a hair removal tape according to an embodiment of the present invention.
　以下、本発明の詳細を説明する。
　図１は、本発明の一実施形態に係る脱毛テープの概略構成図である。図１に示すように、脱毛テープ１は、支持体２と、混合物３とを備える。支持体２は、水蒸気不透過性または難透過性の支持体である。支持体２上に、混合物３が設けられている。より具体的に、混合物３は支持体２上に保持されている。混合物３は、脱毛剤及び粘着性基剤の混合物である。上記脱毛剤は、チオグリコール酸又はその塩から構成されている。上記粘着性基材は、水溶性高分子及び多価アルコールにより構成されている。上記水溶性高分子１００質量部に対する上記多価アルコールの含有量は、１５０～５００質量部である。 Details of the present invention will be described below.
FIG. 1 is a schematic configuration diagram of a hair removal tape according to an embodiment of the present invention. As shown in FIG. 1, the epilation tape 1 includes a support 2 and a mixture 3. The support 2 is a water vapor impermeable or hardly permeable support. A mixture 3 is provided on the support 2. More specifically, the mixture 3 is held on the support 2. Mixture 3 is a mixture of a hair removal agent and an adhesive base. The said depilatory agent is comprised from thioglycolic acid or its salt. The adhesive substrate is composed of a water-soluble polymer and a polyhydric alcohol. The content of the polyhydric alcohol with respect to 100 parts by mass of the water-soluble polymer is 150 to 500 parts by mass.
　脱毛テープ１は、上記の構成を備えているので、脱毛を行いたい部位に貼付でき、皮膚貼付の際に苦痛を感じることなくまた皮膚を汚すことなく脱毛できる。 Since the epilation tape 1 has the above-described configuration, it can be applied to a site where depilation is desired, and the epilation can be performed without feeling pain and without contaminating the skin.
　本発明の一実施形態に係る脱毛方法は、チオグリコール酸又はその塩から構成される脱毛剤と、水溶性高分子及び該水溶性高分子１００質量部に対する含有量が１５０～５００質量部である多価アルコールから構成される粘着性基剤との混合物３が、水蒸気不透過性または難透過性の支持体２上に保持されている脱毛テープ１を皮膚に貼付するに先立ち、皮膚及び／又は脱毛テープ１を水でぬらして後に脱毛テープ１を皮膚に貼付することを特徴とする。もっとも、医療行為は除かれるものとする。 The hair removal method according to one embodiment of the present invention comprises a hair removal agent composed of thioglycolic acid or a salt thereof, a water-soluble polymer, and a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer. Prior to affixing the epilation tape 1 held on the water vapor impermeable or hardly permeable support 2 to the skin, the mixture 3 with the adhesive base composed of polyhydric alcohol is applied to the skin and / or The hair removal tape 1 is wetted with water, and then the hair removal tape 1 is applied to the skin. However, medical practice is excluded.
　本実施形態の脱毛方法によれば、脱毛を行いたい部位に貼付でき、皮膚貼付の際に苦痛を感じることなくまた皮膚を汚すことなく脱毛できる。 According to the hair removal method of the present embodiment, it can be applied to a site where hair removal is desired, and hair removal can be performed without feeling pain and without soiling the skin.
　以下、本発明の実施の形態を実施例に基づき説明する。しかし、本発明は実施例に限定されるわけではない。 Hereinafter, embodiments of the present invention will be described based on examples. However, the present invention is not limited to the examples.
　（実施例）
　作成した実施例及び比較例の試料の組成（単位は質量部）を表１に示す。各試料の懸濁液をよく攪拌し、水酸化ナトリウム水溶液を添加してｐＨを１２とし、厚さ５０μｍのＰＥＴフィルム上に乾燥後の厚さが３００μｍになるように塗布し、７０℃で３０分加熱乾燥して脱毛テープを作成した。作成したテープは脱酸素剤入りのアルミ袋に入れて保存した。表１において、空欄はその成分を含まない（０質量部）であることを示す。実施例５，６，７の試料は、香料やグリチルレチン酸ジカリウムを含んでいる。 (Example)
Table 1 shows the compositions (units are parts by mass) of the prepared samples of Examples and Comparative Examples. Stir the suspension of each sample well, add aqueous sodium hydroxide solution to adjust the pH to 12, apply onto a 50 μm thick PET film so that the thickness after drying is 300 μm, and 30 ° C. at 30 ° C. A hair removal tape was prepared by heat drying for a few minutes. The prepared tape was stored in an aluminum bag containing an oxygen scavenger. In Table 1, a blank indicates that the component is not included (0 part by mass). The samples of Examples 5, 6, and 7 contain a fragrance and dipotassium glycyrrhetinate.
　各試薬の購入先と規格は次の通りである。
　カルボキシメチルセルロースＮａ：和光純薬工業（株）
　ヒドロキシプロピルセルロース：日本曹達（株）、ＨＰＣ－Ｌ
　ヒアルロン酸：キッコーマンバイオケミファ（株）、ＦＣＨ－ＳＵ
　グリセリン、エチレングリコール、チオグリコール酸Ｃａ：和光純薬工業（株）
　香料：Ｐｅｒｆｕｍ　１　ＫＥ－１３７、香栄工業（株）製
　グリチルレチン酸ジカリウム：ナカライテスク試薬特級 The suppliers and specifications of each reagent are as follows.
Carboxymethylcellulose Na: Wako Pure Chemical Industries, Ltd.
Hydroxypropyl cellulose: Nippon Soda Co., Ltd., HPC-L
Hyaluronic acid: Kikkoman Biochemifa Corporation, FCH-SU
Glycerin, ethylene glycol, thioglycolic acid Ca: Wako Pure Chemical Industries, Ltd.
Perfume: Perfum 1 KE-137, manufactured by Koei Kogyo Co., Ltd. Dipotassium glycyrrhetinate: Special grade of Nacalai Tesque reagent
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
　表１の各試料の他、比較例３として脱毛クリーム（カネボウコスメリオン製「ピュアケア脱毛クリーム」）を、比較例４として脱毛テープ（クラシエ社製「クラシエエピラピッド」）を用いた。 In addition to each sample in Table 1, a hair removal cream (“Pure Care Hair Removal Cream” manufactured by Kanebo Cosmerion) was used as Comparative Example 3, and a hair removal tape (“Kracie Epirapid” manufactured by Kracie Corporation) was used as Comparative Example 4.
　（脱毛材の性能評価）
　上記脱毛材（実施例１～比較例２）は、２×４ｃｍに切り出し使用した。実施例１～３及び比較例１～４の脱毛テープを５人の評価者の腕部に２０分貼付して、次の項目の性能評価を行った。なお、比較例３，４は製品記載の用法に従った。その結果を表２に示す。 (Evaluation of hair removal material performance)
The hair removal material (Example 1 to Comparative Example 2) was cut into 2 × 4 cm and used. The hair removal tapes of Examples 1 to 3 and Comparative Examples 1 to 4 were affixed to the arm of 5 evaluators for 20 minutes, and the performance evaluation of the following items was performed. In addition, Comparative Examples 3 and 4 followed the usage described in the product. The results are shown in Table 2.
　表２の各評価項目は、次のような内容である。
　（１）５人の評価者のうち、脱毛テープが皮膚に安定的に少なくとも２０分間貼付されていたと回答した人数。安定貼付欄の＊印は、４人は粘着力が剥がれ落ちてしまったことを示す。
　（２）５人の評価者のうち、２０分の貼付によりほぼ貼付部位の脱毛ができと回答した人数。
　（３）５人の評価者のうち、脱毛テープの剥離時に苦痛を感じないと回答した人数。苦痛欄の＊印は、評価者全てがきわめて痛かったとの申告があったことを示す。
　（４）５人の評価者のうち、貼付した脱毛材を除去するのに、手間がかからなかったと回答した人数。除去の手間欄の＊印は、粘着層あるいはクリームが皮膚に付着しており剥がすのに手間がかかったことを示す。 Each evaluation item in Table 2 has the following contents.
(1) The number of respondents who answered that the epilation tape was stably applied to the skin for at least 20 minutes among the five evaluators. The * mark in the stable affixing column indicates that the four people have peeled off the adhesive strength.
(2) Number of respondents out of 5 evaluators who answered that almost 20% of the sites had been removed.
(3) Number of respondents who answered that they did not feel pain when peeling the epilation tape out of 5 evaluators. The asterisk in the pain column indicates that all evaluators have reported that they were extremely painful.
(4) Number of respondents who answered that it took no effort to remove the affixed hair removal material among the 5 evaluators. The * mark in the removal labor column indicates that the adhesive layer or cream is attached to the skin and it took time to remove it.
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
　（脱毛剤の皮膚刺激性、不快臭、などの評価）
　実施例４～７の脱毛テープに関して、皮膚刺激性及び不快臭などを評価した。なお、実施例４，５，６は乾燥皮膚に適用したが、実施例７は適用に先立ち適用皮膚部位を水でぬらしたのちに脱毛テープを適用した。各実施例テープを５人の評価者の腕部に２０分貼付して後テープをはがし評価した。 (Evaluation of skin irritation, unpleasant odor, etc.)
The hair removal tapes of Examples 4 to 7 were evaluated for skin irritation and unpleasant odor. Examples 4, 5, and 6 were applied to dry skin. In Example 7, the application skin site was wetted with water prior to application, and then the epilation tape was applied. Each example tape was affixed to the arm of five evaluators for 20 minutes, and then the tape was peeled off for evaluation.
　（評価結果）
　実施例４のテープでは１名が皮膚の薄い赤みを観察されたが、実施例５，６、７においては５名とも皮膚の赤みを観察されなかった。実施例４，５のテープでは全員が軽い不快臭を感じたが実施例６、７では不快臭を感じた者はいなかった。脱毛性能は香料の有無とは関係ないが、実施例５，６、７は皮膚刺激性の低減において、また実施例６，７は軽い不快臭を消すことでより使用者に受け入れやすい製品となることが予想される。 (Evaluation results)
In the tape of Example 4, one person observed thin redness of the skin, but in Examples 5, 6, and 7, none of the five persons observed redness of the skin. In the tapes of Examples 4 and 5, everyone felt a mild unpleasant odor, but in Examples 6 and 7, no one felt an unpleasant odor. Although hair removal performance is not related to the presence or absence of fragrance, Examples 5, 6, and 7 are products that are more acceptable to the user by reducing skin irritation, and Examples 6 and 7 are lighter unpleasant odors. It is expected that.
　（支持体の水蒸気透過性の効果）
　次に支持体の水蒸気透過性と貼付性の効果を調べた。
　実施例８の脱毛テープは、厚さ５０μｍのＰＥＴフィルム（水不透過性）上に、実施例７と同じ組成の脱毛剤を乾燥後の厚さが３００μｍになるように塗布したものである。
　比較例５の脱毛テープは、ポリエステル不織布（５０ｇ／１ｍ２：水透過性）上に、実施例７と同じ組成の脱毛剤を乾燥後の厚さが３００μｍになるように塗布したものである。 (Effect of water vapor permeability of support)
Next, the effects of water vapor permeability and stickability of the support were examined.
The hair removal tape of Example 8 was obtained by applying a hair removal agent having the same composition as Example 7 on a PET film (water-impermeable) having a thickness of 50 μm so that the thickness after drying was 300 μm.
The hair removal tape of Comparative Example 5 is obtained by applying a hair removal agent having the same composition as Example 7 on a polyester nonwoven fabric (50 g / 1 m 2 : water permeability) so that the thickness after drying becomes 300 μm.
　（評価結果）
　実施例８及び比較例５の脱毛テープを、使用直前に水に濡らした後、３名の評価者の下椀外側に貼付した。実施例８のテープは３０分経過後も３名とも皮膚に貼付されていたが、比較例３のテープは３０分経過後には３名中２名は皮膚から脱落していた。水透過性の支持体を用いると水分が蒸散し、テープの皮膚貼付性が悪化して皮膚から脱落したものと考えられる。 (Evaluation results)
The hair removal tapes of Example 8 and Comparative Example 5 were wetted immediately before use, and then applied to the outside of the lower arm of three evaluators. The tape of Example 8 was stuck to the skin even after 30 minutes had passed, but the tape of Comparative Example 3 had fallen out of the skin after 2 minutes. When a water-permeable support is used, water is evaporated, and it is considered that the skin sticking property of the tape deteriorates and falls off the skin.
　１…脱毛テープ
　２…支持体
　３…混合物 DESCRIPTION OF SYMBOLS 1 ... Hair removal tape 2 ... Support body 3 ... Mixture

Claims (7)

  1. 　水蒸気不透過性または難透過性の支持体と、
    　前記支持体上に保持されている、脱毛剤及び粘着性基剤の混合物と、
    を備え、
    　前記脱毛剤が、チオグリコール酸又はその塩から構成されており、
    　前記粘着性基材が、水溶性高分子及び多価アルコールにより構成されており、
    　前記水溶性高分子１００質量部に対する前記多価アルコールの含有量が、１５０～５００質量部である、脱毛テープ。     A water vapor impermeable or poorly permeable support;
    A mixture of a hair removal agent and an adhesive base held on the support;
    With
    The hair removal agent is composed of thioglycolic acid or a salt thereof,
    The adhesive substrate is composed of a water-soluble polymer and a polyhydric alcohol;
    A hair removal tape, wherein the content of the polyhydric alcohol relative to 100 parts by mass of the water-soluble polymer is 150 to 500 parts by mass.
  2. 　前記粘着性基剤において、前記水溶性高分子１００質量部に対する多価アルコールの含有量が、２００～４５０質量部であることを特徴とする、請求項１に記載の脱毛テープ。 2. The epilation tape according to claim 1, wherein in the adhesive base, the content of polyhydric alcohol with respect to 100 parts by mass of the water-soluble polymer is 200 to 450 parts by mass.
  3. 　前記チオグリコール酸又はその塩が、チオグリコール酸、チオグリコール酸ナトリウム、及びチオグリコール酸カルシウムからなる群より選ばれた少なくとも１種の化合物であることを特徴とする、請求項１又は２に記載の脱毛テープ。 The thioglycolic acid or a salt thereof is at least one compound selected from the group consisting of thioglycolic acid, sodium thioglycolate, and calcium thioglycolate, according to claim 1 or 2. Hair removal tape.
  4. 　前記水溶性高分子が、ヒドロキシプロピルセルロース、カルボキシメチルセルロースナトリウム、ヒドロキシエチルセルロース、ヒアルロン酸、及びデキストランからなる群より選ばれた少なくとも１種の化合物であることを特徴とする、請求項１～３のいずれか１項に記載の脱毛テープ。 The water-soluble polymer is at least one compound selected from the group consisting of hydroxypropylcellulose, sodium carboxymethylcellulose, hydroxyethylcellulose, hyaluronic acid, and dextran, according to any one of claims 1 to 3. The epilation tape according to claim 1.
  5. 　前記多価アルコ－ルが、グリセリン、エチレングリコール、プロピレングリコール、ポリエチレングリコール、及びブチレングリコールからなる群より選ばれた少なくとも１種の化合物であることを特徴とする、請求項１～４のいずれか１項に記載の脱毛テープ。 5. The polyhydric alcohol is at least one compound selected from the group consisting of glycerin, ethylene glycol, propylene glycol, polyethylene glycol, and butylene glycol. The epilation tape according to item 1.
  6. 　さらに抗炎症剤及び／又は香料を含むことを特徴とする、請求項１～５のいずれか１項に記載の脱毛テープ。 The epilation tape according to any one of claims 1 to 5, further comprising an anti-inflammatory agent and / or a fragrance.
  7. 　チオグリコール酸又はその塩から構成される脱毛剤と、水溶性高分子及び該水溶性高分子１００質量部に対する含有量が１５０～５００質量部である多価アルコールから構成される粘着性基剤との混合物が、水蒸気不透過性または難透過性の支持体上に保持されている脱毛テープを皮膚に貼付するに先立ち、皮膚及び／又は脱毛テープを水でぬらして後に脱毛テープを皮膚に貼付することを特徴とする、脱毛方法（医療行為を除く）。 A depilatory agent composed of thioglycolic acid or a salt thereof, and an adhesive base composed of a water-soluble polymer and a polyhydric alcohol having a content of 150 to 500 parts by mass with respect to 100 parts by mass of the water-soluble polymer; Prior to applying the hair removal tape held on the water vapor impermeable or hardly permeable support to the skin, the mixture of the skin is wetted with water and then the hair removal tape is applied to the skin. A hair removal method (excluding medical practice).
PCT/JP2015/085625 2014-12-26 2015-12-21 Depilatory tape and depilation method WO2016104397A1 (en)

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WO2019220701A1 (en) * 2018-05-17 2019-11-21 パナソニックＩｐマネジメント株式会社 Film for application to living body and cosmetic method in which film for application to living body is applied

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103010A (en) * 1985-10-28 1987-05-13 Nitto Electric Ind Co Ltd Depilatory material
JPS6373910A (en) * 1986-09-16 1988-04-04 日東電工株式会社 Sheet like hair removing material and hair removing method using the same
JPH06192056A (en) * 1992-12-25 1994-07-12 Sekisui Chem Co Ltd Hair removing material
JPH1112123A (en) * 1997-06-25 1999-01-19 Nitto Denko Corp Water-activated depilatory sheet
JP2002293723A (en) * 2001-01-26 2002-10-09 Kao Corp Hair remover composition
JP2005535694A (en) * 2002-08-10 2005-11-24 レキット ベンキサー （ユーケイ） リミテッド Cosmetics and related methods

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103010A (en) * 1985-10-28 1987-05-13 Nitto Electric Ind Co Ltd Depilatory material
JPS6373910A (en) * 1986-09-16 1988-04-04 日東電工株式会社 Sheet like hair removing material and hair removing method using the same
JPH06192056A (en) * 1992-12-25 1994-07-12 Sekisui Chem Co Ltd Hair removing material
JPH1112123A (en) * 1997-06-25 1999-01-19 Nitto Denko Corp Water-activated depilatory sheet
JP2002293723A (en) * 2001-01-26 2002-10-09 Kao Corp Hair remover composition
JP2005535694A (en) * 2002-08-10 2005-11-24 レキット ベンキサー （ユーケイ） リミテッド Cosmetics and related methods

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