Skin-adhesive topical agent

A topical skin adhesive using norbornane structure-containing silicone-modified polymers and silicone-modified pullulan with volatile and non-volatile silicone oils addresses the slow drying issue of conventional cosmetics, enabling quick and uniform creation of double eyelids and attachment of three-dimensional objects.

JP2025103663APending Publication Date: 2025-07-09KAO CORP
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Patent Information

Application Number
JP2023221209
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2025-07-09

AI Technical Summary

Technical Problem

Conventional liquid-type cosmetics take a long time to dry, making it difficult to create double eyelids and install or attach three-dimensional objects such as false eyelashes as desired.

Method used

A topical skin adhesive combining norbornane structure-containing silicone-modified polymers and silicone-modified pullulan with volatile and non-volatile silicone oils, providing quick-drying and uniform application of double eyelids and easy installation of three-dimensional objects.

Benefits of technology

The adhesive achieves excellent skin adhesion, quick drying, and uniform finish for double eyelids, allowing for easy and accurate attachment of three-dimensional objects like false eyelashes.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a skin-adhesive topical agent that exhibits superior skin adhesion and quick drying.SOLUTION: A skin-adhesive topical agent contains the following components (A), (B), and (C). The component (A) is one or more selected from norbornane structure-containing silicone-modified polymers and silicone-modified pullulan in an amount of 1 to 20 mass%. The component (B) is a volatile oil. The component (C) is a non-volatile silicone oil.SELECTED DRAWING: None
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Description

Technical Field

[0001] The present invention relates to an external skin adhesive agent.

Background Art

[0002] Conventionally, for forming double eyelids, double eyelid forming tapes to which tape-type or fiber-type tapes are attached, and liquid-type double eyelid forming cosmetics to be applied to the eyelids have been used. For example, Patent Document 1 describes that a double eyelid forming cosmetic containing an acrylic polymer resin and modified corn starch has good usability and does not cause allergic symptoms.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Conventional liquid-type cosmetics take a long time to dry, making it difficult to create double eyelids, install or attach three-dimensional objects, and finish them as desired.

Means for Solving the Problems

[0005] The present inventors have found that by combining one or more selected from a norbornane structure-containing silicone-modified polymer and a silicone-modified pullulan with a volatile oil and a non-volatile silicone oil, an external skin adhesive agent excellent in adhesion to the skin, quick-drying, easy to create double eyelids, quickly and uniformly install three-dimensional objects such as false eyelashes, and easy to wear can be obtained, and thus completed the present invention.

[0006] The present invention provides the following components (A), (B), and (C): (A) 1 to 20% by mass of one or more selected from norbornane structure-containing silicone-modified polymers and silicone-modified pullulan (B) Volatile oil (C) Non-volatile silicone oil It relates to a topical skin adhesive containing the same.

[0007] The present invention also relates to a method for attaching a three-dimensional object, which comprises installing the three-dimensional object on the skin surface after applying the topical skin adhesive to the skin.

Effects of the Invention

[0008] The topical skin adhesive of the present invention has excellent adhesion to the skin such as eyelids and dries quickly, so it is easy to create double eyelids and can be finished uniformly. In addition, three-dimensional objects such as false eyelashes can be installed quickly and accurately and are easy to wear.

Brief Description of the Drawings

[0009]

Figure 1

Modes for Carrying Out the Invention

[0010] Component (A) used in the present invention is selected from norbornane structure-containing silicone-modified polymers and silicone-modified pullulan.

[0011] (Norbornane structure-containing silicone-modified polymer) In the present invention, the norbornane structure means a structure represented by the following formula. The norbornane structure-containing silicone-modified polymer may be a silicone-modified polymer having the structure represented by the formula at any site in the polymer.

[0012]

Chemical Formula

[0013] Examples of the norbornane structure-containing silicone-modified polymer include polymers having repeating units represented by the following general formula (1) or (2).

[0014]

Chemical formula

[0015] In the formula, R 2 is each independently an alkyl group having 1 to 12 carbon atoms, and X is a group represented by the following formula (i). a is an integer of 1 or more and 3 or less, and b is an integer of 0 or more and 2 or less.

[0016]

Chemical formula

[0017] In the formula, R 1 is each independently a hydrocarbon group having 1 to 12 carbon atoms, and c is an integer of 1 or more and 5 or less.

[0018]

Chemical formula

[0019] In the formula, R 1 , R 2 and b are the same as described above, and d is an integer of 2 or more and 5 or less.

[0020] In the general formula (1), R 2 is each independently an alkyl group having 1 to 12 carbon atoms. From the viewpoints of adhesion between skins and adhesion between skin and a three-dimensional object, a methyl group, an ethyl group, an n-propyl group, a butyl group, or a pentyl group is preferable, and a methyl group is more preferable. X is a group represented by the formula (i). In the formula (i), R 1 is each independently a hydrocarbon group having 1 to 12 carbon atoms. From the viewpoints of adhesion between skins and adhesion between skin and a three-dimensional object, R 1is preferably an alkyl group having 1 to 12 carbon atoms or an aryl group having 6 to 12 carbon atoms, more preferably an alkyl group having 1 to 12 carbon atoms or a phenyl group, still more preferably an alkyl group having 1 to 3 carbon atoms, and even more preferably a methyl group. c is an integer of 1 to 5, and from the viewpoint of versatility, c = 1 is preferred. That is, X is preferably a trimethylsiloxy group. a is an integer of 1 to 3. For example, a polymer in which a repeating unit with a = 2 and a repeating unit with a = 3 are mixed and present may be used. From the viewpoint of versatility, a is preferably 3. b is an integer of 0 to 2. From the same viewpoint, it is preferably 0, 1 or a combination thereof, and 0 is more preferred.

[0021] In the general formula (2), R 1 , R 2 and b are the same as described above. d is an integer of 2 to 5. From the viewpoint of versatility, d = 2 is preferred. From the same viewpoint, in the cyclic silicone structure in the general formula (2), R 1 and R 2 are preferably methyl groups, and d is preferably 2 or 3. That is, the cyclic silicone structure in the general formula (2) is preferably a structure represented by the following formula (4) or (5).

[0022]

Chemical formula

[0023] From the viewpoints of the adhesiveness between skins and the adhesiveness between a skin and a three-dimensional object, the proportion of the repeating unit represented by the general formula (1) or (2) in the norbornane structure-containing silicone-modified polymer is preferably 10% or more, more preferably 30% or more, still more preferably 50% or more, based on the total number of repeating units in the polymer. The upper limit is 100%, preferably 95% or less, more preferably 90% or less, still more preferably 70% or less. The specific range of the number of repeating units represented by the general formula (1) or (2) in the norbornane structure-containing silicone-modified polymer is preferably 10 to 100%, more preferably 10 to 95%, still more preferably 30 to 90%, and even more preferably 50 to 70%, based on the total number of repeating units in the polymer.

[0024] In addition to the repeating unit represented by the general formula (1) or (2), the norbornane structure-containing silicone-modified polymer may have a repeating unit represented by the following general formula (3).

[0025]

Chemical formula

[0026] In the formula, R 3 ~R 6 are each independently a hydrogen atom, a halogen atom, a substituent selected from an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, and a halogenated hydrocarbon group having 1 to 10 carbon atoms, or an oxetanyl group, an alkoxycarbonyl group, a polyoxyalkylene group, a polyglyceryl group, or an alkoxysilyl group. Two groups selected from R 3 ~R 6 may be bonded to each other to form an alicyclic structure, an aromatic ring structure, a carbodiimide group, or an acid anhydride group. b is the same as described above.

[0027] From the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object, the proportion of the repeating unit represented by the general formula (3) in the norbornane structure-containing silicone-modified polymer is preferably 90% or less, more preferably 70% or less, still more preferably 50% or less, based on the total number of repeating units in the polymer. When the repeating unit represented by the general formula (3) is included, the proportion is preferably 5% or more, more preferably 10% or more, still more preferably 30% or more, based on the total number of repeating units in the polymer. The specific range of the number of repeating units represented by the general formula (3) in the norbornane structure-containing silicone-modified polymer is preferably 5 to 90%, more preferably 10 to 70%, still more preferably 30 to 50%, based on the total number of repeating units in the polymer. The proportions of the repeating units represented by the general formulas (1) to (3) in the norbornane structure-containing silicone-modified polymer are 1 determinable by H-NMR measurement.

[0028] As the norbornane structure-containing silicone-modified polymer, silicone-modified polynorbornene is preferable, and more preferably silicone-modified polynorbornene represented by the following formula (6).

[0029]

Chemical formula

[0030] In the formula, e and f are the number of repeating units, and each independently is an integer of 1 or more. From the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object, the proportion of e and f in the general formula (6) is preferably e / f = 20 / 80 to 90 / 10 (mol / mol), more preferably 30 / 70 to 80 / 20 (mol / mol), still more preferably 50 / 50 to 70 / 30 (mol / mol).

[0031] The number average molecular weight Mn of the norbornane structure-containing silicone-modified polymer is preferably 50,000 or more, more preferably 100,000 or more, still more preferably 200,000 or more, from the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object, and is preferably 2,000,000 or less, more preferably 1,500,000 or less, still more preferably 800,000 or less, and even more preferably 600,000 or less. The specific range of the number average molecular weight Mn of the norbornane structure-containing silicone-modified polymer is preferably from 50,000 to 2,000,000, more preferably from 100,000 to 1,500,000, still more preferably from 200,000 to 800,000, and even more preferably from 200,000 to 600,000. The number average molecular weight Mn of the polymer can be measured by gel permeation chromatography (GPC) using polystyrene as a standard substance.

[0032] The norbornane structure-containing silicone-modified polymer can be obtained, for example, by addition polymerization of a silicone-modified cyclic olefin monomer containing a norbornane structure or capable of forming a norbornane structure by a known method. For example, in the case of a norbornane structure-containing silicone-modified polymer having a repeating unit represented by the general formula (1) or (2), it can be obtained by addition polymerization of a cyclic olefin monomer represented by the following general formula (1a) or (2a). Further, a cyclic olefin monomer represented by the following general formula (3a) may be copolymerized.

[0033]

Chemical formula

[0034] In the formula, R 1 is each independently an alkyl group having 1 to 12 carbon atoms, X is a group represented by the following formula (i). a is an integer of 1 or more and 3 or less, and b is an integer of 0 or more and 2 or less.

[0035]

Chemical formula

[0036] In the formula, R 2are each independently a hydrocarbon group having 1 to 12 carbon atoms, and c is an integer of 1 to 5.

[0037]

Chemical formula

[0038] In the formula, R 1 , R 2 and b are the same as described above, and d is an integer of 2 to 5.

[0039]

Chemical formula

[0040] In the formula, R 3 to R 6 are each independently a hydrogen atom, a halogen atom, a substituent selected from an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, and a halogenated hydrocarbon group having 1 to 10 carbon atoms, or an oxetanyl group, an alkoxycarbonyl group, a polyoxyalkylene group, a polyglyceryl group, or an alkoxysilyl group. Two groups selected from R 3 to R 6 may be bonded to each other to form an alicyclic structure, an aromatic ring structure, a carbodiimide group, or an acid anhydride group. b is the same as described above.

[0041] When copolymerizing the cyclic olefin monomer represented by the general formula (3a), its usage amount is preferably 90 mol% or less, more preferably 70 mol% or less, still more preferably 50 mol% or less, based on 100 mol% of all the monomers used in the polymerization, from the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object. Also, it is preferably 5 mol% or more, more preferably 10 mol% or more, still more preferably 30 mol% or more.

[0042] The silicone-modified polynorbornene represented by the formula (6) can be obtained by addition polymerization of tris(trimethylsiloxy)silylnorbornene represented by the following formula (6a) and norbornene.

[0043] [Chemical formula]

[0044] From the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object, the copolymerization ratio of tris(trimethylsiloxy)silylnorbornene and norbornene is preferably 20 / 80 to 90 / 10 (mol / mol), more preferably 30 / 70 to 80 / 20 (mol / mol), and still more preferably 50 / 50 to 70 / 30 (mol / mol).

[0045] In addition, although the repeating units represented by the general formulas (1) to (3) and the formula (6) all represent 2,3-addition structural units of cyclic olefin monomers which are raw material monomers, those which have become 2,7-addition structural units by addition polymerization of the cyclic olefin monomers may be included.

[0046] As the norbornane structure-containing silicone-modified polymer, a norbornene / tris(trimethylsiloxy)silylnorbornene copolymer is preferable, and it is a compound represented by INCI name (International Cosmetic Ingredient Dictionary and Handbook, 16th Edition, Volume 2, 2016, p.2274): NORBORNENE / TRIS(TRIMETHYLSILOXY)SILYLNORBORNENE COPOLYMER. Examples of commercially available norbornane structure-containing silicone-modified polymers include "NBN-30-ID" manufactured by Shin-Etsu Chemical Co., Ltd. (isododecane solution of norbornene / tris(trimethylsiloxy)silylnorbornene copolymer), etc.

[0047] (Silicone-modified pullulan) Examples of the silicone-modified pullulan include pullulans having a silicone structure in the side chain. Specifically, from the viewpoints of the adhesiveness between the skins and the adhesiveness between the skin and a three-dimensional object, a silicone-modified pullulan in which at least a part of the hydrogen atoms of the OH groups in the pullulan are substituted with a group represented by the following general formula (7) is preferable.

[0048]

Chemical formula

[0049] In the formula, Z 1 is a single bond or a divalent organic group. R 2 , X, and a are the same as described above. From the same viewpoints, X is preferably a trimethylsiloxy group, and a is preferably 3.

[0050] In the general formula (7), from the same viewpoints, Z 1 is preferably a divalent organic group, more preferably a divalent group represented by the following general formula (8) or (9), and still more preferably a divalent group represented by the following general formula (9).

[0051]

Chemical formula

[0052] In the formula, R 11 is an alkylene group having 1 to 10 carbon atoms, and examples thereof include a methylene group, an ethylene group, a trimethylene group, a propylene group, and a butylene group. From the same viewpoints, among these, an ethylene group, a trimethylene group, and a propylene group are preferable, and a trimethylene group or a propylene group is more preferable.

[0053] Examples of commercially available silicone-modified pullulans include "TSPL-30-ID" (isododecane solution of pullulan tris(trimethylsiloxy)silylpropylcarbamate) and "TSPL-30-D5" (cyclopentasiloxane solution of pullulan tris(trimethylsiloxy)silylpropylcarbamate) manufactured by Shin-Etsu Chemical Co., Ltd.

[0054] As component (A), from the viewpoints of the adhesiveness between skins, the adhesiveness between skin and a three-dimensional object, and its persistence, silicone-modified polynorbornene is preferable, and the silicone-modified polynorbornene represented by the formula (6) is more preferable.

[0055] Component (A) can be used alone or in combination of two or more. From the viewpoints of the adhesiveness between skins and the adhesiveness between skin and a three-dimensional object, the content is 1% by mass or more in the whole composition, preferably 2% by mass or more, more preferably 4% by mass or more, 20% by mass or less, preferably 15% by mass or less, and more preferably 10% by mass or less. Further, the content of component (A) is 1 to 20% by mass in the whole composition, preferably 2 to 15% by mass, and more preferably 4 to 10% by mass.

[0056] Component (B) used in the present invention is a volatile oil. Volatility means having a flash point of 35 to 87°C. Examples of the volatile oil of component (B) include volatile silicone oil and volatile hydrocarbon oil. Examples of the volatile silicone oil include linear dimethylpolysiloxanes such as hexamethyldisiloxane, dimethylpolysiloxane (1 cs), dimethylpolysiloxane (1.5 cs), dimethylpolysiloxane (2 cs); branched siloxanes such as methyltrimethicone, tris(trimethylsilyl)methylsilane, tetrakis(trimethylsilyl)silane; and cyclic dimethylsiloxanes such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane.

[0057] Examples of the volatile hydrocarbon oil include paraffinic hydrocarbon oils such as n-decane, n-undecane, n-dodecane; isoparaffinic hydrocarbon oils such as isodecane, isododecane, hydrogenated polyisobutene; and cyclic paraffin hydrocarbon oils such as cyclodecane, cyclododecane.

[0058] As the volatile oil of component (B), those having a chain structure are preferred from the viewpoints of quick drying, easy creation of double eyelids, uniform finishing, quick attachment of three-dimensional objects such as false eyelashes, and good wearability. More preferably, they contain a volatile silicone oil having a chain structure, and even more preferably, they contain hexamethyldisiloxane.

[0059] Component (B) can be used alone or in combination of two or more. From the viewpoints of quick drying, easy creation of double eyelids, uniform finishing, quick attachment of three-dimensional objects such as false eyelashes, and good wearability, the content is preferably 40% by mass or more, more preferably 60% by mass or more, even more preferably 75% by mass or more, preferably 98% by mass or less, more preferably 95% by mass or less, and even more preferably 93% by mass or less in the total composition. Also, the content of component (B) is preferably 40 to 98% by mass, more preferably 60 to 95% by mass, and even more preferably 75 to 93% by mass in the total composition.

[0060] Component (C) used in the present invention is a non-volatile silicone oil. Non-volatile means that when 1 g of the oil agent is spread on a glass petri dish with a diameter of 48 mm and left at 25°C and normal pressure for 24 hours, the mass reduction rate is 1% or less.

[0061] Examples of the non-volatile silicone oil include crosslinked methylpolysiloxane, network methylpolysiloxane, dimethylpolysiloxane, methyltrimethicone, dimethylcyclopolysiloxane, higher alcohol-modified organopolysiloxane, phenyl-modified silicone, etc. Preferably, it contains phenyl-modified silicone. As the phenyl-modified silicone, those in a liquid state at 25°C are preferred. For example, phenyltrimethicone, diphenylsiloxyphenyltrimethicone, diphenyldimethylsilicone, trimethylsiloxyphenyldimethylsilicone, trimethylpentaphenyltrisiloxysane, methylphenylpolysiloxane, etc. can be mentioned. Among these, from the viewpoints of excellent adhesion to the skin of the eyelids, etc., uniform finishing, quick and accurate installation of three-dimensional objects such as false eyelashes, phenyltrimethicone and methylphenylpolysiloxane are preferred.

[0062] Component (C) can be used alone or in combination of two or more, and the content is preferably 0.5% by mass or more, more preferably 1% by mass or more, still more preferably 2% by mass or more, preferably 10% by mass or less, more preferably 8% by mass or less, and still more preferably 6% by mass or less in the total composition from the viewpoint of excellent adhesion to the skin such as eyelids and being able to be finished uniformly, and being able to quickly and accurately install three-dimensional objects such as false eyelashes. Also, the content of component (C) is preferably 0.5 to 10% by mass, more preferably 1 to 8% by mass, and still more preferably 2 to 6% by mass in the total composition.

[0063] In the present invention, the mass ratio (A) / (C) of (A) to (C) is excellent in adhesion to the skin such as eyelids, dries quickly, is easy to create double eyelids, and can be finished uniformly. Also, from the viewpoint of being able to quickly and accurately install three-dimensional objects such as false eyelashes and having excellent wearability, it is preferably 0.4 or more, more preferably 0.6 or more, still more preferably 0.8 or more, preferably 10 or less, more preferably 4 or less, and still more preferably 2 or less. Also, the mass ratio (A) / (C) of (A) to (C) is preferably 0.4 to 10, more preferably 0.6 to 4, and still more preferably 0.8 to 2.

[0064] In the present invention, the mass ratio (B) / (C) of (B) to (C) is excellent in adhesion to the skin such as eyelids, dries quickly, is easy to create double eyelids, and can be finished uniformly. Also, from the viewpoint of being able to quickly and accurately install three-dimensional objects such as false eyelashes and having excellent wearability, it is preferably 5 or more, more preferably 10 or more, still more preferably 13 or more, preferably 60 or less, more preferably 40 or less, and still more preferably 30 or less. Also, the mass ratio (B) / (C) of (B) to (C) is preferably 5 to 60, more preferably 10 to 40, and still more preferably 13 to 30.

[0065] The external skin adhesive of the present invention can further contain (D) organically modified clay mineral, and can improve the adhesion to the skin. As the organically modified clay mineral, any can be used without limitation as long as it is used in ordinary cosmetics. For example, cation-modified clay minerals obtained by treating layered clay minerals such as bentonite, laponite, hectorite, montmorillonite, and magnesium aluminum silicate with a quaternary ammonium salt type cationic surfactant are preferred. Here, the quaternary ammonium salt type cationic surfactant is represented by the following formula (10):

[0066] [Chem.]

[0067] (In the formula, R 21 represents an alkyl group or a benzyl group having 10 to 22 carbon atoms, R 22 represents a methyl group or an alkyl group having 10 to 22 carbon atoms, R 23 and R 24 represent an alkyl group or a hydroxyalkyl group having 1 to 3 carbon atoms, and X represents a halogen atom or a methyl sulfate residue) is represented by.

[0068] Specifically, dodecyltrimethylammonium chloride, myristyltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, behenyltrimethylammonium chloride, myristyldimethylethylammonium chloride, cetyltrimethylethylammonium chloride, stearyldimethylethylammonium chloride, behenyldimethylethylammonium chloride, myristyldiethylethylammonium chloride, cetyltriethylethylammonium chloride, stearyldiethylethylammonium chloride, behenyldiethylethylammonium chloride, benzyldimethylmyristylammonium chloride, benzyldimethylcetylammonium chloride, benzyldimethylstearylammonium chloride, benzyldimethylbehenylammonium chloride, benzylmethylethylcetylammonium chloride, benzylmethylethylstearylammonium chloride, distearyldimethylammonium chloride, dibehenyldihydroxyethylammonium chloride, and those in which the chloride of each of the above compounds is replaced with a bromide compound, and further dipalmitoylpropylethylammonium methyl sulfate, etc. may be mentioned. Among these, from the viewpoint of improving the adhesion to the skin, benzyl dimethyl stearyl ammonium chloride and dimethyl distearyl ammonium chloride are preferable, and it is preferable to contain at least dimethyl distearyl ammonium chloride.

[0069] Examples of the cation-modified clay mineral obtained by treating a layered clay mineral with a quaternary ammonium salt type cationic surfactant include dimethyldistearylammonium hectorite, dimethyldistearylammonium bentonite, benzyl dimethyl stearyl ammonium hectorite, etc., and dimethyldistearylammonium hectorite is more preferable. Moreover, as commercially available products, Benton 38, Benton 38VCG, Benton 27 (the above, manufactured by Elementis Japan Co., Ltd.), etc. may be mentioned.

[0070] Organically modified clay minerals can also be used as a dispersion diluted with a solvent in terms of improving workability and excellent thickening effect of oil. Specifically, it is preferable to use a premix gel in which the organically modified clay mineral is previously dispersed in a solvent. The solvent is not limited as long as it can be thickened by the organically modified clay mineral, but from the viewpoint of the thickening effect of oil, octyldodecanol, mineral oil, etc. are preferable. Further, from the viewpoint of efficiently dispersing the organically modified clay mineral to exhibit the thickening effect, it is preferable to contain polar additives such as propylene carbonate, ethanol, water, and various surfactants. The content of the organically modified clay mineral in the premix gel is preferably 5 to 25% by mass, more preferably 8 to 20% by mass, and even more preferably 10 to 18% by mass from the viewpoints of improving workability, the thickening effect of oil, and suppressing oil separation of the thickened oily gel itself. As the premix gel, commercially available products such as benton gel EUGV containing 10% by mass of cation-modified clay mineral, benton gel MIOV, benton gel ISDV, benton gel VS-5 PCV containing 18% by mass, and benton gel PTM containing 15% by mass (all manufactured by Elementis Japan Co., Ltd.) can be used.

[0071] Component (D) can be used singly or in combination of two or more, and the content is preferably 0.1% by mass or more, more preferably 0.3% by mass or more, even more preferably 0.5% by mass or more, preferably 8% by mass or less, more preferably 4% by mass or less, and even more preferably 2% by mass or less in the total composition from the viewpoint of improving the adhesion to the skin. Further, the content of component (D) is preferably 0.1 to 8% by mass, more preferably 0.3 to 4% by mass, and even more preferably 0.5 to 2% by mass in the total composition.

[0072] In the present invention, the mass ratio [(A) + (D)] / (C) of the total amount of components (A) and (D) to component (C) is excellent in adhesion to the skin such as eyelids, dries quickly, is easy to form double eyelids, and can be finished uniformly. Also, from the viewpoint of being able to quickly and accurately install three-dimensional objects such as false eyelashes and having excellent wearability, it is preferably 0.4 or more, more preferably 0.7 or more, even more preferably 0.9 or more, preferably 10 or less, more preferably 4 or less, and even more preferably 2 or less. Further, the mass ratio [(A) + (D)] / (C) of the total amount of components (A) and (D) to component (C) is preferably 0.4 to 10, more preferably 0.7 to 4, and even more preferably 0.9 to 2.

[0073] In addition to the above components, the skin-adhesive external preparation of the present invention can optionally use various components commonly used as long as the effects of the present invention are not impaired. Examples of these components include oily components, surfactants, water, water-soluble polymers, antioxidants, ultraviolet absorbers, vitamins, preservatives, pH adjusters, fragrances, plant extracts, moisturizers, colorants, cooling agents, antiperspirants, bactericides, skin activators, etc., other than the above.

[0074] The skin-adhesive external preparation of the present invention can be applied to any form such as an oily composition or an emulsified composition that can be produced by a conventional method. As a preparation, it can be applied in the form of a liquid, emulsion, paste, cream, gel, solid, etc.

[0075] The skin-adhesive external preparation of the present invention can be an external skin-adhesive preparation for the eye area for forming double eyelids or a skin-adhesive external preparation for double eyelid formation. To form double eyelids using the skin-adhesive external preparation of the present invention, for example, as shown in FIG. 1, after applying it to the whole or a part of the eyelid (coating type, adhesive type), it is dried to form double folds.

[0076] Also, the skin-adhesive external preparation of the present invention can be used to install a three-dimensional object on the skin surface after applying it to the skin, for use in wearing the three-dimensional object. Examples of the skin area to which the external preparation for skin adhesion of the present invention is applied include the eyelid and its peripheral area, ear, nose, cheek, finger, hand, arm, and the like. Examples of the three-dimensional object to be placed on the skin surface include particulate matter, film, fiber, flat object, and the like.

[0077] The particulate matter refers to a solid with a particle width of 1 mm or more and 5 mm or less, and specifically includes metal particles, resin particles, stone, shell, and the like. For example, examples of the resin particles include beads and particles with a colored outer surface of resin particles, and examples of the stone include rhinestones and gemstones. Among these, from the viewpoints of decorativeness, adhesion, followability, safety, etc. when applied to the skin, one or more selected from metal particles, resin particles, and stone are preferable. Here, the particle width means the diameter when the particulate matter is spherical, the maximum width when it is other than spherical, or the size measured by the sieving method.

[0078] Examples of the film include solids other than the aforementioned particulate matter, such as paper, metal foil, resin film, films colored or metal-vapor-deposited thereon, and films to which particulate matter is attached. Examples of the paper include Japanese paper and kraft paper, examples of the metal foil include gold foil, silver foil, and other metals, examples of the resin film include films such as nylon film and polyethylene film, and examples of the colored or metal-vapor-deposited film include hologram film. Among these, from the viewpoints of decorativeness, adhesion, followability, and safety when applied to the skin, paper, metal foil, and resin film are preferable.

[0079] Examples of the fiber include plant fibers such as cotton and hemp, animal fibers such as silk and wool, regenerated fibers such as rayon and cupra, semi-synthetic fibers such as acetate, synthetic fibers such as nylon and polyester, and mixtures thereof. Also, false eyelashes are included. False eyelashes are artificial eyelashes that can be attached to the eyelid or eyelashes, and there is no limitation as long as it is what is used for ordinary false eyelashes. For example, "Quick Extension" manufactured by D·UP, "Dolly Wink Salon Eyelash" manufactured by Koji Honpo, and the like can be mentioned.

[0080] Examples of the flat objects include those other than the above-described granular objects, with a thickness preferably of 0.1 mm or more, more preferably 0.5 mm or more, preferably 5 mm or less, more preferably 2 mm or less, and a maximum width of more than 5 mm. Examples of the flat objects include metal plates, plastic plates, rubber plates, cloth such as woven or non-woven fabrics, pressed flowers, natural objects such as plants, shells, and eggshells.

[0081] In addition to solid objects with both width and height exceeding 5 mm, examples of the three-dimensional objects other than those described above include solid objects having voids or unevenness such as accordion shapes and flowers.

[0082] These three-dimensional objects may be placed on the skin surface after applying the skin-adhesive external preparation of the present invention to the skin, and can be placed quickly and uniformly.

Examples

[0083] Examples 1 to 5, Comparative Example 1 Skin-adhesive external preparations having the compositions shown in Table 1 were manufactured, and the adhesion to the eyelid, ease of creating double eyelids (speed of drying), uniformity of the finish of double eyelids, ease of attaching false eyelashes (speed of drying), and attachment property of false eyelashes were evaluated. The results are shown together with Table 1.

[0084] (Manufacturing method) After uniformly mixing Component (A) and Component (B) at room temperature, (C) is added and stirred with a homomixer. Then, it is filled into an airtight container to obtain a skin-adhesive external preparation (composition).

[0085] (Evaluation method) (1) Adhesion to the eyelid: After applying each skin-adhesive external preparation (skin-adhesive external preparation for the eye area) by 5 professional panelists, the adhesion to the eyelid was evaluated by sensory evaluation according to the following criteria. The results are shown as the average score of 5 people. 5: Extremely excellent adhesion to the eyelid. 4: Excellent adhesion to the eyelid. 3: Slightly excellent adhesion to the eyelid. 2: It is not excellent in adhesion to the eyelids. 1: It is not excellent in adhesion to the eyelids.

[0086] (2) Ease of creating double eyelids (speed of drying): After applying each external skin adhesive (external skin adhesive for the eye area) by 5 professional panelists and creating double eyelids, the ease of creating double eyelids was subjectively evaluated according to the following criteria. The results are shown as the average score of 5 people. 5: The drying time is very short, and double eyelids can be created quickly. 4: The drying time is short, and double eyelids can be created. 3: The drying time is slightly short, and double eyelids can be created. 2: The drying time is slightly long, and it is difficult to create double eyelids. 1: The drying time is long, and it is difficult to create double eyelids.

[0087] (3) Uniformity of the finished double eyelids: After applying each external skin adhesive (external skin adhesive for the eye area) by 5 professional panelists and creating double eyelids, the uniformity of the finish was subjectively evaluated according to the following criteria. The results are shown as the average score of 5 people. 5: It looks very uniform. 4: It looks uniform. 3: It looks slightly uniform. 2: It does not look very uniform. 1: It does not look uniform.

[0088] (4) Ease of attaching false eyelashes (speed of drying): After applying each external skin adhesive (external skin adhesive for the eye area) by 5 professional panelists, the ease of attaching false eyelashes was subjectively evaluated according to the following criteria. The results are shown as the average score of 5 people. 5: The drying time is very short, and false eyelashes can be attached very quickly. 4: The drying time is short, and false eyelashes can be attached quickly. 3: The drying time is slightly short, and false eyelashes can be attached slightly quickly. 2: The drying time is slightly long, and false eyelashes cannot be attached very quickly. 1. The drying time is long, and false eyelashes cannot be quickly attached.

[0089] (5) Adhesion of false eyelashes: After applying each skin-adhesive external preparation (skin-adhesive external preparation for the eye area) by 5 professional panelists, the adhesion of false eyelashes was evaluated by sensory evaluation according to the following criteria. The results were shown as the average score of 5 people. 5. Can be attached quite accurately at the target position and angle. 4. Can be attached accurately at the target position and angle. 3. Can be attached somewhat accurately at the target position and angle. 2. Cannot be attached very accurately at the target position and angle. 1. Cannot be attached accurately at the target position and angle.

[0090]

Table 1

[0091] *1: Isododecane solution of "NBN-30-ID" manufactured by Shin-Etsu Chemical Co., Ltd. (in the following formula (6), e / f = 60 / 40 (mol / mol), Mn = 360,000 norbornene / tris(trimethylsiloxy)silylnorbornene) copolymer, active ingredient concentration: 30% by mass)

[0092]

Chemical formula

[0093] Example 6 The skin-adhesive external preparation with the composition shown in Table 2 was manufactured in the same manner as in Examples 1 to 5. It has excellent adhesion to the skin (eyelids), dries quickly, so it is easy to create double eyelids, and can quickly and uniformly install three-dimensional objects such as false eyelashes, and is easy to attach.

[0094]

Table 2

Claims

1. The following components (A), (B) and (C): (A) One or more selected from norbornane structure-containing silicone-modified polymers and silicone-modified pullulan, 1 to 20% by mass, (B) Volatile oil, (C) Non-volatile silicone oil A skin-adhesive external preparation containing the same.

2. The skin-adhesive external preparation according to Claim 1, wherein the component (C) contains phenyl-modified silicone.

3. The skin-adhesive external preparation according to Claim 1 or 2, wherein the content of the component (B) is 40 to 98% by mass and the content of the component (C) is 0.5 to 10% by mass.

4. The skin-adhesive external preparation according to any one of Claims 1 to 3, wherein the mass ratio (A) / (C) of the component (A) to the component (C) is 0.4 to 10.

5. The skin-adhesive external preparation according to any one of Claims 1 to 4, further containing (D) organically modified clay mineral.

6. The skin-adhesive external preparation according to any one of Claims 1 to 5, wherein the mass ratio [(A)+(D)] / (C) of the total amount of the components (A) and (D) to the component (C) is 0.4 to 10.

7. The skin-adhesive external preparation according to any one of Claims 1 to 6, which is a skin-adhesive external preparation for the eye area for creating double eyelids.

8. A method for attaching a three-dimensional object, wherein the skin-adhesive external preparation according to any one of Claims 1 to 6 is applied to the skin and then the three-dimensional object is placed on the skin surface.

Citation Information

Patent Citations

  • Double eyelid formation cosmetic

    JP2014024762A