Oil-based makeup cosmetics
The oil-based makeup cosmetic formulation with a specific polyorganosiloxane structure addresses the challenge of achieving a smooth, uniform, and durable finish with enhanced abrasion and sebum resistance in a single application.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- KOSE HOLDINGS CORP
- Filing Date
- 2025-12-26
- Publication Date
- 2026-07-09
AI Technical Summary
Existing oil-based makeup products, particularly concealers and eyeliners, struggle to provide a smooth, uniform finish in a single application while ensuring excellent abrasion resistance and sebum resistance.
An oil-based makeup cosmetic formulation containing a polyorganosiloxane with a specific block structure, combined with volatile oils, oily thickeners, and coloring pigments, which enhances smoothness during application and provides a durable, sebum-resistant film.
The formulation achieves a beautiful, uniform finish with one application, preventing smudging and ensuring a sharp, dark line, while offering excellent abrasion and sebum resistance.
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Abstract
Description
[Technical Field]
[0001] This invention relates to an oil-based makeup cosmetic. [Background technology]
[0002] Oil-based makeup products are frequently used in makeup due to their excellent adherence to the skin and high durability. Many of these contain oil-soluble film-forming agents, such as silicone resins, and possess various functions, including water resistance (see, for example, Patent Document 1).
[0003] On the other hand, makeup products applied to specific areas, such as concealers and eyeliners, require more advanced functionality. For example, eyeliners need to be able to draw a thick, clean, thin line. Also, since layering can make the contour look messy, there has been a strong demand for the development of an eyeliner that can provide a beautiful finish in a single coat. [Prior art documents] [Patent Documents]
[0004] [Patent Document 1] Japanese Patent Publication No. 2020-37583 [Overview of the project] [Problems that the invention aims to solve]
[0005] The present invention aims to provide an oil-based makeup cosmetic that offers excellent smoothness during application, resulting in a beautiful finish with just one coat, and whose applied makeup film also exhibits excellent abrasion resistance and sebum resistance. [Means for solving the problem]
[0006] As a result of diligent research to solve the above problems, the inventors focused on the film-forming properties of a novel polyorganosiloxane of a specific molecular weight having a block structure of diorganosiloxane. By combining it with a volatile oil, an oily thickener, and a coloring pigment, they discovered that an oily makeup cosmetic can be obtained that provides excellent smoothness during application, resulting in a uniform and beautiful finish in a single application, and furthermore, the cosmetic film after application has excellent abrasion resistance and sebum resistance. This led to the completion of the present invention.
[0007] In other words, the present invention provides the following embodiments. [1] An oil-based makeup cosmetic containing the following ingredients (A) to (D). (A) A polyorganosiloxane having a block structure, represented by the following general formula (1), having a weight-average molecular weight of 500,000 or more, and being a solid at room temperature in the absence of solvent with a softening point of 50°C or higher. [ka] (In the formula, R 1 , R 2 , R 3 , R 4 , R 5 is a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms, which may have hydrogen atoms or substituents; m represents the number of repeating diorganosiloxy units, where 50≧m≧0; a, b, c, d, and e represent the molar ratios of their respective siloxane units, where 0.3≧a≧0, 0.3≧b>0, 0.5≧c≧0, 0.95≧d>0.5, 0.3≧e≧0, and a+b×(2+m)+c+d+e=1; and x and y represent the number of hydroxyl or alkoxy groups bonded to 1 mole of Si atoms in the siloxane units a-e, where 0.1≧x>0 and 0.1≧y>0. (B) Volatile oils (C) Oily thickener (D) Coloring pigments [2] The oily makeup cosmetic according to [1], wherein the aforementioned component (B) volatile oil agent contains a hydrocarbon oil. [3] The oil-based makeup cosmetic according to [1] or [2], wherein the component (C) oil thickener is one or more selected from fumed silica, organically modified clay minerals, waxes, and partially crosslinked organopolysiloxane polymers. [4] The oil-based makeup cosmetic according to [1] or [2], wherein the component (D) coloring pigment contains a hydrophobically surface-treated coloring pigment. [5] The oil-based makeup cosmetic according to [1] or [2], which is an eyeliner. [Effects of the Invention]
[0008] According to the present invention, an oil-based makeup cosmetic excellent in smoothness during application, finished uniformly with one application, and excellent in abrasion resistance and sebum resistance of the makeup film after application can be provided. Further, by applying the present invention as an eyeliner, since it is excellent in smoothness during application, there is no smudging, and a dark and sharp line can be realized with one application. [Modes for Carrying Out the Invention]
[0009] Preferred embodiments of the present invention will be described in detail. However, the present invention is not limited only to the following preferred embodiments and can be freely changed within the scope of the present invention. In this specification, "~" means a range including the numerical values before and after it. In this specification, when simply described as "%", it means mass%. Further, hereinafter, when describing the content of each component, when there are two or more corresponding components, the content refers to the total amount.
[0010] [Component (A)] The component (A) used in the present invention is a novel film-forming resin, represented by the following formula (1), having a weight average molecular weight of 500,000 or more, being solid at room temperature in a solvent-free state, and having a softening point of 50°C or more, and is a polyorganosiloxane having a block structure (hereinafter, also referred to as "polyorganosiloxane having a block structure").
[0011] [Chemical formula]
[0012] In the formula, R 1 , R 2 , R 3 , R 4 , R 5 is a hydrogen atom or a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, m represents the repeating number of the diorganosiloxy unit, 50 ≥ m ≥ 0, a, b, c, d, e represent the molar ratios of the respective siloxane units present, 0.3 ≥ a ≥ 0, 0.3 ≥ b > 0, 0.5 ≥ c ≥ 0, 0.95 ≥ d > 0.5, 0.3 ≥ e ≥ 0, a + b×(2 + m) + c + d + e = 1, x, y are the numbers of hydroxy groups or alkoxy groups bonded to 1 mole of Si atoms of the siloxane units of a to e above, and represent 0.1 ≥ x > 0, 0.1 ≥ y > 0.
[0013] R 1 , R 2 , R 3 , R 4 , R 5 are each independently a hydrogen atom or a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, preferably a saturated or unsaturated hydrocarbon group having 1 to 10 carbon atoms. Specific examples thereof include methyl group, chloromethyl group, methoxymethyl group, ethyl group, ethoxyethyl group, vinyl group, propyl group, (meth)acryloxypropyl group, mercaptopropyl group, chloropropyl group, glycidyloxypropyl group, epoxycyclohexylethyl group, allyl group, butyl group, pentyl group, cyclopentyl group, hexyl group, hexenyl group, cyclohexyl group, phenyl group, heptyl group, octyl group, octylenyl group, (meth)acryloxyoctyl group, mercaptooctyl group, chloroctyl group, glycidyloxyoctyl group, decyl group, etc. Among them, R 1 , R 2 , R 3 , R 4For this, methyl groups, ethyl groups, propyl groups, and phenyl groups are preferred, methyl groups and ethyl groups are more preferred, and methyl groups are even more preferred. 5 For this group, saturated hydrocarbon groups having 1 to 4 carbon atoms are preferred, with examples including methyl, ethyl, n-propyl, i-propyl, n-butyl, s-butyl, i-butyl, and t-butyl groups, and more preferably n-butyl, s-butyl, and i-butyl groups.
[0014] a, b, c, d, and e represent the molar ratios of each siloxane unit, with 0.3≧a≧0, 0.3≧b>0, 0.5≧c≧0, 0.95≧d>0.5, 0.3≧e≧0, and a+b×(2+m)+c+d+e=1. x and y represent the number of hydroxyl groups or alkoxy groups bonded to 1 mole of Si atoms in the siloxane units a-e, with 0.1≧x>0 and 0.1≧y>0.
[0015] Regarding the hydroxyl or alkoxy groups bonded to the Si atoms of a polydiorganosiloxane having a block structure, it is preferable from the viewpoint of polymer stability that x and y are 0.05≧x>0 and 0.05≧y>0, respectively. When x=y=0, it means that there are no structural groups that undergo dehydration, dealcoholization, condensation, and crosslinking. Although the polymer stability is excellent, it becomes a component that does not cure, which is undesirable as it reduces the durability of the coating film. On the other hand, when x or y is greater than 0.1, while the aforementioned curability is excellent, there is a high possibility that the polymer stability will decrease, and in particular when x>0.1, the stability will be low, which is undesirable.
[0016] Regarding the ratio of siloxane units in the polydiorganosiloxane having the block structure of the present invention, from the viewpoint of polymer stability, high degree of polymerization, and film flexibility, it is preferable that 40>m>10, 0.1≧a>0, 0.3≧b>0, 0.3≧c>0, and 0.05≧e≧0. Furthermore, in addition to the above, it is even more preferable that 0.9≧d>0.7.
[0017] The polydiorganosiloxane having a block structure has a weight-average molecular weight of 500,000 or more, preferably 1,000,000 or more, and more preferably 2,000,000 or more, from the viewpoint of film-forming properties, film continuity, and lack of stickiness of the coating film. There is no particular upper limit to the weight-average molecular weight, but from the viewpoint of suppressing gelation, for example, a weight-average molecular weight of 16,000,000 or less is preferred, more preferably 10,000,000 or less, and still preferred to be 8,000,000 or less. As a range that balances the performance of the coating film and the stability of the siloxane polymer, 500,000 to 16,000,000 is preferred, 1,000,000 to 10,000,000 is more preferred, and still preferred to be 2,000,000 to 8,000,000.
[0018] The weight-average molecular weight in this invention is a value obtained by converting a polystyrene with a known molecular weight to a standard substance using gel permeation chromatography (GPC) measured under the conditions shown below. [Measurement conditions] Flow rate: 0.5mL / min Detector: Differential refractive index detector (RI) Columns: Use two of the following columns directly connected together. TSKgel GMHHR-H(30) (7.8mm I.D. × 30cm × 1) (Manufactured by Tosoh Corporation) Column temperature: 40℃ Sample injection volume: 200 μL (THF solution with a concentration of 20 g / L)
[0019] Polydiorganosiloxanes with a block structure are preferably introduced with a linear polydiorganosiloxane structure from the viewpoint of non-stickiness of the coating film and film flexibility. As an indicator of the state in which such a structure is introduced while being maintained 29 One method is signal analysis by Si-NMR, specifically, it is possible to distinguish by detecting signals attributed to polydiorganosiloxanes that fall within a predetermined range of chemical shifts. Generally, they are detected in the range of -10 to -50 ppm, but the polydiorganosiloxanes having a block structure contained in the cosmetic composition of the present invention are 29The Si-NMR spectrum is characterized by the detection of a chemical shift of the signal attributed to the diorganosiloxane unit in the range of -15 to -25 ppm, and the detection width of the signal peak (the difference between the chemical shift at the detection start point and the chemical shift at the detection end point) being 3 to 7 ppm. The narrower the detection width of the signal peak, the more it indicates that the linear siloxane structure is maintained while being introduced into the polymer. If the detection width is greater than 10 ppm, it means that the linear structure is practically absent from the polymer, making it difficult to obtain the desired coating properties. In the present invention, 29 Si-NMR was performed using a 300MHz-NMR spectrometer manufactured by JEOL Ltd., and a solution sample with a sample concentration of 20 wt% was measured under conditions of 25°C.
[0020] The composition obtained by dissolving the block structure polyorganosiloxane of the present invention in an organic solvent is characterized by the extract water having an acidic pH of 3.5 to 6. Generally, it is known that the pH of the extract water obtained by dissolving polyorganosiloxane in an organic solvent is neutral unless the solvent itself is acidic or basic. By controlling the pH within the aforementioned range, it is possible to obtain a stable solution without causing gelation or other problems over a long period of time, even with high molecular weight polyorganosiloxanes like those of the present invention. Methods for controlling the extract water pH include the use of acids and buffers, but preferably, an acid is used, and more preferably, an organic carboxylic acid is used.
[0021] Examples of acids include inorganic acids such as hydrochloric acid, nitric acid, and sulfuric acid, as well as organic carboxylic acids such as formic acid, acetic acid, propionic acid, citric acid, succinic acid, maleic acid, methanesulfonic acid, and trifluoromethanesulfonic acid, but are not limited to those exemplified here.
[0022] In compositions in which the polyorganosiloxane having the block structure of the present invention is dissolved in an organic solvent, it is preferable that the organic solvent is not an aromatic hydrocarbon. This is because aromatic hydrocarbons, such as benzene, toluene, and xylene, are organic solvents with a high environmental impact.
[0023] The polyorganosiloxane having a block structure contained in the cosmetic composition of the present invention can be produced, for example, by the following steps 1 to 3. Step 1: Silane monomers capable of constituting the siloxane unit of formula (1) above, having a chlorosilyl group or an alkoxysilyl group having 1-2 carbon atoms as a hydrolyzable group, and polydiorgannosiloxanes having hydrolyzable silyl groups at both ends are added dropwise to a mixed medium layer consisting of water, a hydrophilic organic solvent with a water solubility of 50-1000 g / L at 25°C, and a hydrophobic organic solvent with a water solubility of 1 g / L or less at 25°C, and undergo hydrolysis and condensation. Step 2: After removing the generated hydrogen chloride and alcohol, condensation polymerization is carried out under strongly acidic conditions with a pH of 3 or less until the weight-average molecular weight reaches 500,000 or more. Step 3: Neutralize or remove the acid and adjust the pH of the extracted water to 3.5-6.
[0024] Examples of hydrophilic organic solvents with a water solubility of 50 to 1000 g / L at 25°C include alcohols, ketones, esters, and ether compounds. Specifically, examples include n-propanol, isopropanol, n-butanol, secondary butanol, isobutanol, tertiary butanol, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, ethyl acetate, butyl acetate, methyl ethyl ketone, and cyclohexanone. Among these, n-propanol, isopropanol, n-butanol, and isobutanol are preferred from the viewpoint of controlling the reaction during hydrolysis condensation and suppressing the formation of insoluble substances.
[0025] Examples of hydrophobic organic solvents with a water solubility of 1 g / L or less at 25°C include aliphatic hydrocarbon solvents such as hexane, heptane, octane, cyclohexane, methylcyclohexane, ethylcyclohexane, decane, isododecane, and isoparaffin compounds derived from olefin gases, as well as aromatic hydrocarbon solvents such as toluene and xylene. Among these, hexane, heptane, octane, cyclohexane, methylcyclohexane, and ethylcyclohexane are preferred from the viewpoint of reaction control during hydrolysis condensation, maintenance of block structure, and solubility of the resulting resin, and hexane, heptane, and ethylcyclohexane are more preferred.
[0026] The preferred weight ratio of a mixed medium consisting of water, a hydrophilic organic solvent with a water solubility of 50 to 1000 g / L at 25°C, and a hydrophobic organic solvent with a water solubility of 1 g / L or less at 25°C is 10 to 30 parts hydrophilic organic solvent and 10 to 30 parts hydrophobic organic solvent, with water being 100 parts. Exceeding this upper limit will reduce productivity because it will require using more organic solvent than necessary. On the other hand, if it falls below this lower limit, it will be difficult to control the reaction during hydrolysis condensation, and solvent-insoluble substances will be generated.
[0027] As the silane and siloxane materials to be hydrolyzed and condensed, it is preferable to use silane monomers that can constitute the siloxane unit of formula (1) having a chlorosilyl group or an alkoxysilyl group having 1 to 2 carbon atoms as a hydrolyzable group, and polydiorganosiloxanes having hydrolyzable silyl groups at both ends. In particular, for polydiorganosiloxanes having hydrolyzable silyl groups at both ends, α,ω-dimethylchlorosiloxypolydimethylsiloxane, shown in formula (2) below, is preferred from the viewpoint of reactivity during hydrolysis. Furthermore, regarding the silane monomer, it is more preferable from the viewpoint of reaction control and production efficiency if it is a compound having only a chlorosilyl group as a hydrolyzable group.
[0028] [ka] (In the equation, 50 ≥ m ≥ 0.)
[0029] During the hydrolysis condensation reaction, the weight concentration of the reactive silane and siloxane material is preferably 10-30% by weight relative to the total amount of the mixed medium including water and the reactive silane and siloxane material. Exceeding this upper limit makes it difficult to control the reaction during hydrolysis condensation, and solvent-insoluble substances are generated. On the other hand, below this lower limit is undesirable because it requires the use of more organic solvent than necessary, resulting in reduced productivity.
[0030] The temperature during the hydrolysis condensation reaction is preferably between 0 and 40°C. If the temperature is higher than 40°C, it becomes difficult to control the reaction during hydrolysis condensation, and there is a risk of generating solvent-insoluble substances. If the temperature is below 0°C, the aforementioned reaction control effect becomes excessive, and it becomes inefficient in terms of the cooling energy required for temperature control.
[0031] In a method for producing polyorganosiloxanes having a block structure, after removing the generated hydrogen chloride and alcohol, condensation polymerization is carried out under strongly acidic conditions with a pH of 3 or less until the weight-average molecular weight reaches 500,000 or more. From the viewpoint of reaction control, the reaction temperature is preferably in the range of 10 to 80°C. Furthermore, from the viewpoint of reaction control, the pH is preferably in the range of 1 to 3. If the reaction temperature is higher than the upper limit of the range and the pH is lower than the lower limit of the range, the condensation polymerization proceeds excessively quickly and becomes difficult to control. On the other hand, if the reaction temperature is lower than the lower limit of the range and the pH is higher than the upper limit, the polymerization rate decreases significantly, and productivity deteriorates.
[0032] The content of component (A) in the present invention is not particularly limited. As a lower limit, from the viewpoint of abrasion resistance and sebum resistance, it is preferably 0.1% or more, more preferably 0.5% or more, and even more preferably 1% or more, as resin content relative to the total amount of oily makeup cosmetic. As an upper limit, from the viewpoint of smoothness during application and uniformity of finish, it is preferably 30% or less, more preferably 20% or less, and even more preferably 15% or less. As a range, it is preferably 0.1 to 30%, more preferably 0.5 to 20%, and even more preferably 1 to 15%. Within this range, it is preferable because it spreads smoothly, provides a uniform finish, and has superior abrasion resistance and sebum resistance.
[0033] [Component (B)] The component (B) volatile oil used in the present invention is a liquid oil that has a boiling point of 260°C or lower at normal pressure and is fluid at room temperature (25°C). It is not particularly limited as long as it is commonly used in cosmetics, for example, hydrocarbon oils, silicone oils, etc., and one or more of these can be used, but from the viewpoint of smoothness during use, it is preferable to contain one or more hydrocarbon oils.
[0034] Specifically, examples of hydrocarbon oils include light liquid isoparaffins, isododecane, and isohexadecane. Examples of silicone oils include methyl trimethicone, caprylyl trimethicone, dimethylpolysiloxane, decamethylcyclopentasiloxane, decamethyltetrasiloxane, ethyl trisiloxane, and dimethylpolysiloxane. Commercially available products of these include ISODODECANE (manufactured by IMCD), which is isododecane; IP Solvent 1620 (manufactured by Idemitsu Chemical Co., Ltd.), which is light liquid isoparaffin; KF-995 (manufactured by Shin-Etsu Chemical Co., Ltd.), which is decamethylcyclopentasiloxane; and KF-96L-2CS (manufactured by Shin-Etsu Chemical Co., Ltd.), which is dimethylpolysiloxane.
[0035] The content of component (B) in the present invention is not particularly limited. As a lower limit, from the viewpoint of smoothness during application and uniformity of finish, it is preferably 40% or more, more preferably 45% or more, and even more preferably 50% or more, relative to the total amount of oil-based makeup cosmetic. As an upper limit, from the viewpoint of abrasion resistance, it is preferably 70% or less, more preferably 65% or less, and even more preferably 60% or less. As a range, it is preferably 40-70%, more preferably 45-65%, and even more preferably 50-60%. Within this range, the feel during application is smooth, and the uniformity and abrasion resistance of the finish are superior, making it preferable.
[0036] [Component (C)] The component (C) oily thickener used in the present invention is not particularly limited as long as it thickens (gels) oily components commonly used in cosmetics, and any of them can be used. For example, examples include fuzzy silica, organically modified clay minerals, waxes, partially cross-linked organopolysiloxane polymers, polysaccharide fatty acid esters, etc., and one or more of these can be used.
[0037] Atomized silica is a fine particle powder made of silicon dioxide with a specific surface area of 50 m². 2 This refers to substances exceeding / g, and the surface may be untreated or have undergone surface hydrophobic treatment such as silylation treatment with dimethyldichlorosilane or trimethylsilyl chloride. Examples of commercially available products include AEROSIL 300 (manufactured by Nippon Aerosil Co., Ltd.) and AEROSIL R972 (manufactured by Nippon Aerosil Co., Ltd.).
[0038] Organically modified clay minerals are clay minerals characterized by a layered silicate structure in which some or all of the inorganic cations between layers have been replaced with organic cations. Examples of clay minerals include smectite-type clays such as bentonite, montmorillonite, hyderite, heclite, and saponite, as well as fluorine-introduced swelling mica. Examples of organic cations used to replace the inorganic cations between layers include alkyl quaternary ammonium salts such as benzyldimethylstearylammonium ions and dimethyldistearylammonium ions. Specifically, organically modified clay minerals include dimethyldistearlammonium hectorite, dimethylalkylammonium hectorite, and benzyldimethylstearylammonium hectorite, and one or more of these can be used in combination. Examples of commercially available products include Smecton SAN-P (manufactured by Kunimine Industries Co., Ltd.), BENTONE 27V (manufactured by Elementis Japan Co., Ltd.), and BENTONE 38V (manufactured by Elementis Japan Co., Ltd.).
[0039] Wax refers to an organic substance that is solid at room temperature and pressure (25°C, 1 atm) and has a melting point of 35°C or higher. It can be of natural or synthetic origin, and examples include hydrocarbon waxes, ester waxes, and silicone waxes. One or more of these can be used. Specifically, Examples of hydrocarbon waxes include natural hydrocarbon waxes such as paraffin wax, ceresin wax, ozokerite wax, and microcrystalline wax, as well as synthetic hydrocarbon waxes such as Fischer-Tropsch wax, polyethylene wax, and ethylene-propylene copolymer. Examples of ester waxes include plant-derived ester waxes such as candelilla wax, carnauba wax, rice wax, and Japanese wax, animal-derived ester waxes such as whale wax, and mineral-derived ester waxes such as montan wax. Examples of silicone waxes include alkyl-modified silicones.
[0040] These waxes may be commercially available products. For example, commercially available hydrocarbon waxes include polyethylene wax such as PERFORMA SW-87 SYNTHETIC WAX (manufactured by Nippon Surfactant Industry Co., Ltd.) and synthetic wax P-200 (manufactured by Nippon Natural Products Co., Ltd.), commercially available ester waxes include refined candelilla wax SR-3 (manufactured by Nippon Natural Products Co., Ltd.) and beeswax such as WHITE BEES WAX (manufactured by Miki Chemical Co., Ltd.), and commercially available silicone waxes include stearyl dimethicone such as DC2503 (DN) (manufactured by Toray Dow Corning Co., Ltd.).
[0041] Partially crosslinked organopolysiloxane polymers refer to polymers or copolymers obtained by crosslinking organopolysiloxanes, and have a three-dimensional crosslinked structure as part of their structure. The crosslinked structure is not particularly limited, and any can be used. Specifically, examples include partially crosslinked methylpolysiloxanes such as (dimethicone / vinyl dimethicone) crosspolymer and partially crosslinked methylphenylpolysiloxanes such as (dimethicone / phenyl dimethicone) crosspolymer. Polymers containing polyoxyalkylene groups in the molecule include, for example, partially crosslinked polyether-modified silicones such as dimethicone / (PEG-10 / 15) crosspolymer. Polymers containing long-chain alkyl groups in the molecule include, for example, partially crosslinked alkyl-modified silicones such as (vinyl dimethicone / lauryl dimethicone) crosspolymer. Polymers containing both polyoxyalkylene groups and long-chain alkyl groups in the molecule include, for example, partially crosslinked alkyl-polyether copolymerized silicones such as PEG-15 lauryl dimethicone crosspolymer. Polymers containing halogenated hydrocarbon groups in their molecules include, for example, partially crosslinked fluorine-modified silicones such as (trifluoropropyl dimethicone / trifluoropropyl divinyl dimethicone) crosspolymer. Polymers containing glyceryl groups in their molecules include, for example, partially crosslinked polyglycerin-modified silicones such as (dimethicone / polyglycerin-3) crosspolymer. These can be used individually or in combination of two or more.
[0042] Partially crosslinked organopolysiloxane polymers may be formulated alone, but for ease of handling, commercially available products mixed with oils can be used. For example, KSG-15 (5% solids) is a mixture of partially crosslinked methylpolysiloxane and cyclic silicone; KSG-16 (20-30% solids) is a mixture of partially crosslinked methylpolysiloxane and dimethylpolysiloxane; KSG-18 (10-20% solids) is a mixture of partially crosslinked methylphenylpolysiloxane and phenyl trimethicone; KSG-210 (20-30% solids) is a mixture of partially crosslinked polyether-modified silicone and dimethylpolysiloxane; and KSG-41 (25-35% solids), KSG-42 (20-30% solids), KSG-43 (25-35% solids), and KSG-4 are mixtures of partially crosslinked alkyl-modified silicone and oils. Examples of partially crosslinked alkyl polyether-modified silicones (solids content 25-35%) include KSG-310 (solids content 25-35%), KSG-320 (solids content 20-30%), KSG-330 (solids content 15-25%), KSG-340 (solids content 25-35%), and KSG-340 (solids content 25-35%) as mixtures of partially crosslinked alkyl polyether-modified silicones and oils. Partially crosslinked fluorine-modified silicones include KSG-51 (solids content 15-25%) as a mixture with cyclic fluorine-containing silicones such as fluoroalkyl group-containing cyclic organopolysiloxanes, and KSG-710 (solids content 20-25%) as a mixture of partially crosslinked polyglycerin-modified silicones and dimethylpolysiloxane (all manufactured by Shin-Etsu Chemical Co., Ltd.).
[0043] Polysaccharide fatty acid esters are esters of polysaccharides and higher fatty acids, preferably esters with fatty acids having 8 to 22 carbon atoms. Examples of polysaccharides include dextrin, inulin, sucrose, and fructooligosaccharides. Specific examples of polysaccharide fatty acid esters include dextrin palmitate, dextrin myristate, and inulin stearate, and these may be used individually or in combination of two or more. Commercially available products include Leopal KL2, Leopal MKL2, and Leopal ISK2 (all manufactured by Chiba Flour Milling Co., Ltd.).
[0044] Of these, component (C) is preferably fuzzy silica, organically modified clay mineral, wax, or partially cross-linked organopolysiloxane polymer, from the viewpoint of smoothness, uniform finish, and sebum resistance when applying oily makeup cosmetics. In particular, fuzzy silica or organically modified clay mineral is more preferred from the viewpoint of smoothness when applied.
[0045] The content of component (C) in the present invention is not particularly limited. From the viewpoint of usability and feel, the lower limit is preferably 1% or more, more preferably 2% or more, and even more preferably 3% or more, relative to the total amount of the oil-based makeup cosmetic. The upper limit is preferably 25% or less, more preferably 20% or less, and even more preferably 15% or less. The range is preferably 1 to 25%, more preferably 2 to 20%, and even more preferably 3 to 15%. Within this range, the smoothness during application is excellent, there is no streaking, and the uniformity of the finish is superior with a single application, making it more preferable.
[0046] [Component (D)] The component (D) used in the present invention is a coloring pigment. The coloring pigment is not particularly limited as long as it is commonly used in cosmetics, and any of them can be used. Specifically, white inorganic pigments such as titanium dioxide, zinc oxide, cerium oxide, and barium sulfate; colored inorganic pigments such as iron oxide, carbon black, titanium-titanium oxide sintered products, chromium oxide, chromium hydroxide, Prussian blue, and ultramarine; luminous powders such as titanium dioxide-coated mica, titanium dioxide-coated glass powder, titanium dioxide-coated bismuth oxychloride, iron oxide titanium mica, Prussian blue-treated titanium mica, carmine-treated titanium mica, bismuth oxychloride, fish scale foil, polyethylene terephthalate-aluminum-epoxy laminated powder, polyethylene terephthalate-polyolefin laminated film powder, polyethylene terephthalate-polymethyl methacrylate laminated film powder, and red pigments. Examples include organic pigment powders such as zirconium, barium, or aluminum lake, such as Red 201, Red 202, Red 205, Red 226, Red 228, Orange 203, Orange 204, Blue 404, Yellow 401, etc., or Red 3, Red 104, Red 106, Orange 205, Yellow 4, Yellow 5, Green 3, Blue 1, etc., or composite powders such as metal powders such as aluminum powder, gold powder, silver powder, fine particle titanium oxide coated titanium mica, fine particle zinc oxide coated titanium mica, barium sulfate coated titanium mica, titanium oxide-containing silicon dioxide, zinc oxide-containing silicon dioxide, etc., and one or more of these can be used in combination. Furthermore, these may be surface-treated with phospholipids, amino acids, amino acid derivatives, ceramides, dextrin derivatives, silicone compounds, polyurethanes, fatty acid metal salts, anhydrous silicic acid, fluorine compounds, surfactants, etc. Among these, component (D) is preferably treated with a hydrophobic surface treatment from the viewpoint of smoothness during application, uniformity of the cosmetic film, and abrasion resistance, and is more preferably treated with lauroyl lysine from the viewpoint of line intensity in a single application when used as an eyeliner.
[0047] The content of component (D) in the present invention is not particularly limited. From the viewpoint of usability and feel, the lower limit is preferably 1% or more, more preferably 3% or more, and even more preferably 5% or more, relative to the total amount of oil-based makeup cosmetic. The upper limit is preferably 40% or less, more preferably 35% or less, and even more preferably 30% or less. The range is preferably 1 to 40%, more preferably 3 to 35%, and even more preferably 5 to 30%. Within this range, the smoothness during application is good, and the uniformity of the applied film is excellent, making it more preferable when applied as an eyeliner because it does not smudge and provides rich color in a single application.
[0048] In addition to the above-mentioned components, the oil-based makeup cosmetic composition of the present invention may contain, as necessary, components commonly used in cosmetics, to the extent that they do not impair the effects of the present invention. For example, it may contain powders other than component (C) and component (D), oil-based components other than component (B) and component (C), aqueous components, surfactants, film-forming agents other than component (A), UV absorbers, antioxidants, color-fastening agents, defoaming agents, pH adjusters, chelating agents, beauty ingredients, preservatives, fragrances, cooling agents, etc.
[0049] The powder is not particularly limited as long as it is not component (C) or component (D), and may be either inorganic or organic powder. Examples include metal powders such as gold, silver, and aluminum; talc, mica, sericite, anhydrous silicic acid, synthetic fluorphlogopite, kaolin, silicon carbide, aluminum oxide, magnesium oxide, zirconium oxide, antimony oxide, diatomaceous earth, aluminum silicate, magnesium aluminum metasilicate, calcium silicate, barium silicate, magnesium silicate, calcium carbonate, magnesium carbonate, hydroxyapatite, boron nitride, bismuth oxychloride, etc. Examples of organic polymer resin powders include organic polymer resin powders such as polymeric resins, polyethylene resins, polyester resins, fluororesins, cellulose resins, copolymer resins such as styrene-acrylic copolymer resins, and polypropylene resins, as well as metal soap powders, organic low molecular weight powders such as N-acyllysine, starch powders such as acrylic starch and rice starch, natural organic powders such as nylon powder, glass powder, silk powder, cellulose powder, and dextrin powder, silicone powder, polymethyl methacrylate powder, polystyrene powder, and urethane powder. One or more of these can be used. These components may also be used after surface treatment with commonly known treatment agents such as phospholipids, amino acids, amino acid derivatives, ceramides, dextrin derivatives, silicone compounds, polyurethanes, fatty acid metal salts, anhydrous silicic acid, fluorine compounds, and surfactants.
[0050] As for oily components, there are no particular limitations other than components (B) and (C), and any type of oil can be used, regardless of its origin, such as animal oil, vegetable oil, or synthetic oil, and it can be solid oil, semi-solid oil, or liquid oil (non-volatile oil). Examples include hydrocarbon oils, ester oils, fatty acids, higher alcohols, and silicone oils. More specifically, petrolatum, liquid paraffin, squalane, hydrocarbon oils such as polybutene, hydrogenated jojoba oil, glyceryl tribehenate, N-lauroyl-L-glutamate di(phytosteryl / octyldodecyl), N-lauroyl-L-glutamate di(cholesteryl / behenyl / octyldodecyl), olive oil, castor oil, mink oil, macadamia nut oil, cetyl isooctanoate, isopropyl myristate, isopropyl palmitate, octyldodecyl myristate, glyceryl trioctanoate, polyglyceryl-2 isostearate, polyglyceryl-2 diisostearate, Examples of suitable oils include ester oils such as polyglyceryl-2 lyisostearate, polyglyceryl-2 tetraisostearate, and neopentyl glycol dioctanoate; fatty acids such as stearic acid, lauric acid, myristic acid, behenic acid, oleic acid, palmitic acid, and isostearic acid; higher alcohols such as stearyl alcohol, isostearyl alcohol, oleyl alcohol, octyldodecanol, behenyl alcohol, and decyltetradecanol; and silicone oils such as dimethylpolysiloxane, methylphenylpolysiloxane, and dimethiconol. One or more of these can be used.
[0051] Aqueous components include water or water-soluble components, such as lower alcohols like ethanol and isopropanol, glycols like propylene glycol, 1,3-butylene glycol, dipropylene glycol, and polyethylene glycol, glycerols like glycerin, diglycerin, and polyglycerin, and plant extracts such as aloe vera, witch hazel, witch hazel, cucumber, lemon, lavender, and rose. One or more of these can be used.
[0052] Any surfactant can be used, regardless of its origin, whether natural or synthetic. Examples include phospholipids such as lecithin, polyhydric alcohol fatty acid esters such as sorbitan monostearate, sorbitan monoisostearate, sorbitan sesquistearate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan tristearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate, and sorbitan palmitate, and polyglycerin-modified silicones such as PEG-9 dimethicone and PEG-10 dimethicone. One or more of these can be used.
[0053] Examples of film-forming agents, in addition to component (A), include silicone resins such as trimethylsiloxysilicate and polymethylsilsesquioxane, and water-soluble polymers such as polyvinyl alcohol and polyvinylpyrrolidone.
[0054] The oil-based makeup cosmetic of the present invention may be any dosage form in which the oil phase is a continuous phase, and may be a non-aqueous type that substantially does not contain aqueous components, or it may be a solubilized type, a water-in-oil type, or other dosage form that contains aqueous components. In the present invention, the content of aqueous components when aqueous components are included is not particularly limited, but if it is a solubilized type, 0.01% to 1% of the total amount of the oil-based makeup cosmetic is preferred. If it is a water-in-oil type, 1% to 30% of the total amount of the oil-based makeup cosmetic is preferred.
[0055] The method for producing the oily makeup cosmetic of the present invention is not particularly limited and can be produced by commonly known methods. For example, it can be obtained by uniformly dissolving component (A) and component (B), then adding and mixing component (C), component (D), and other components, and then filling into a container.
[0056] The oil-based makeup composition of the present invention can be used as a cosmetic composition for various applications. In particular, it is preferred as a cosmetic composition intended for partial use, such as eyeliner, eyebrow pencil, concealer, foundation, and lipstick, and eyeliner is especially preferred from the viewpoint of exhibiting uniformity of the cosmetic film.
[0057] Furthermore, the present invention can also take the following configuration. [1] An oil-based makeup cosmetic containing the following ingredients (A) to (D). (A) A polyorganosiloxane having a block structure, represented by the following general formula (1), having a weight-average molecular weight of 500,000 or more, and being a solid at room temperature in the absence of solvent with a softening point of 50°C or higher. [ka] (In the formula, R 1 , R 2 , R 3 , R 4 , R 5 is a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms, which may have hydrogen atoms or substituents; m represents the number of repeating diorganosiloxy units, where 50≧m≧0; a, b, c, d, and e represent the molar ratios of their respective siloxane units, where 0.3≧a≧0, 0.3≧b>0, 0.5≧c≧0, 0.95≧d>0.5, 0.3≧e≧0, and a+b×(2+m)+c+d+e=1; and x and y represent the number of hydroxyl or alkoxy groups bonded to 1 mole of Si atoms in the siloxane units a-e, where 0.1≧x>0 and 0.1≧y>0. (B) Volatile oils (C) Oily thickener (D) Coloring pigments [2] The oily makeup cosmetic according to [1], wherein the aforementioned component (B) volatile oil agent contains a hydrocarbon oil. [3] The oily makeup cosmetic according to [1] or [2], wherein the aforementioned component (C) oily thickener is one or more selected from fuzzy silica, organically modified clay minerals, waxes, and partially cross-linked organopolysiloxane polymers. [4] The oil-based makeup cosmetic according to [1] to [3], wherein the aforementioned component (D) coloring pigment contains a coloring pigment that has been hydrophobically surface-treated. [5] An oil-based makeup cosmetic described in [1] to [4] as an eyeliner. [Examples]
[0058] The present invention will be described in more detail below with reference to examples and comparative examples, but the present invention is not limited to the following examples. In these examples, unless otherwise specified, "%" means "mass%". The apparatus used in the examples is as follows.
[0059] (1) GPC measurement conditions Equipment: HLC-8320GPC manufactured by Tosoh Corporation Developing solvent: Tetrahydrofuran (THF) Flow rate: 0.5mL / min Detector: Differential refractive index detector (RI) Columns: Use two of the following columns directly connected together. TSKgel GMHHR-H(30) (7.8mm I.D. × 30cm × 1) (Manufactured by Tosoh Corporation) Column temperature: 40℃ Sample injection volume: 200 μL (THF solution with a concentration of 20 g / L) Standard: Monodisperse polystyrene (2) Silicon nuclear magnetic resonance spectrum ( 29 Si-NMR) measurement conditions Equipment: 300MHz-NMR manufactured by JEOL Ltd. Solvent: CDCl3 Sample concentration: 20% Internal standard: Tetramethylsilane (TMS)
[0060] In the following, the kinematic viscosity of the product was measured at 25°C using a Cannon-Fenske viscometer according to the method described in JIS Z 8803:2011. The content of silanol hydroxyl groups in the product (mass%), hereinafter referred to as silanol content, was quantified from the amount of methane gas generated when the product was reacted with a Grignard reagent (methylmagnesium iodide).
[0061] [Synthesis of polyorganosiloxanes with block structures] Manufacturing Example 1 2700 g of deionized water, 400 g of isobutanol, and 300 g of heptane were charged into a 5 L three-necked flask equipped with a stirrer, condenser, dropping funnel, and thermometer, and stirred. A mixture of 650 g (4.3 mol) of methyltrichlorosilane (at 25°C), 70 g (0.9 mol Si equivalent) of α,ω-dimethylchlorosiloxypolydimethylsiloxane (formula 3 below), and 300 g of heptane was added dropwise over 2 hours while controlling the internal temperature to prevent it from exceeding 40°C. After the addition was complete, the aqueous hydrochloric acid phase, in which hydrogen chloride generated by the hydrolysis of the chlorosilyl group dissolved in the deionized water, was separated from the organic phase. This organic phase was washed multiple times with saline solution until the water-wash phase became neutral. The resulting organic phase had a kinematic viscosity of 2.7 mm². 2 The organic solution contained an organosiloxane with a molecular weight of approximately 7600, measured by GPC, and had a non-volatile residue of 33% under drying conditions of 105°C for 3 hours. 20 g of concentrated hydrochloric acid was added to this organic solution, and a condensation polymerization reaction was carried out by heating at 60°C for 3 hours. Subsequently, heptane was added to adjust the concentration to a drying residue of 20%. After washing multiple times with saline solution until the water washing phase was neutral, 0.03% citric acid was added to the organic solution and dissolved to obtain an organic solution in which polyorganosiloxane 1, having the desired block structure, was dissolved in an organic solvent. This organic solution had a kinematic viscosity of 14.4 mm². 2 Under drying conditions of / s at 105°C for 3 hours, the non-volatile residue was 21%, and the molecular weight was approximately 1.43 million according to GPC. 29Si-NMR measurements revealed signals attributed to diorganosiloxane units (D units) in the range of -16 to -23 ppm, with a detection width of 5 ppm for the main signal peak. Furthermore, it was confirmed that the polyorganosiloxane having the block structure described above is solid at room temperature in the absence of solvent, and that its softening point is 50°C or higher. It was also confirmed that the polyorganosiloxane having the block structure described above satisfies the above general formula (1).
[0062] [ka]
[0063] Manufacturing Example 2 A solution of polyorganosiloxane 2 having a block structure with a weight-average molecular weight of 3.1 million was obtained in the same manner as in Production Example 1, except that the condensation polymerization reaction conditions were changed to 60°C for 4 hours. Furthermore, it was confirmed that the polyorganosiloxane having the block structure described above is solid at room temperature in the absence of solvent, and that its softening point is 50°C or higher. It was also confirmed that the polyorganosiloxane having the block structure described above satisfies the above general formula (1).
[0064] Manufacturing Example 3 A solution of polyorganosiloxane 3 having a block structure with a weight-average molecular weight of 590,000 was obtained in the same manner as in Production Example 1, except that the condensation polymerization reaction conditions were changed to 60°C for 2 hours. Furthermore, it was confirmed that the polyorganosiloxane having the block structure described above is solid at room temperature in the absence of solvent, and that its softening point is 50°C or higher. It was also confirmed that the polyorganosiloxane having the block structure described above satisfies the above general formula (1).
[0065] Manufacturing Example 4 To 500 g of the 20% dried residue polysiloxane solution obtained in Production Example 1, 16 g (0.16 mol) of triethylamine and 13 g (0.12 mol) of trimethylchlorosilane were added, and the mixture was heated at 60°C for 3 hours to carry out the trimethylsiloxylation reaction of the silanol in the polysiloxane. Subsequently, the mixture was washed multiple times with saline solution until the water washing phase became neutral, yielding an organic solution in which a polyorganosiloxane with a weight-average molecular weight of 1.56 million and a trimethylsiloxy-sealed block structure was dissolved in an organic solvent. Furthermore, it was confirmed that the polyorganosiloxane having the block structure described above is solid at room temperature in the absence of solvent, and that its softening point is 50°C or higher. It was also confirmed that the polyorganosiloxane having the block structure described above satisfies the above general formula (1).
[0066] Examples 1-15 and Comparative Examples 1 and 2: Oil-based eyeliner (non-aqueous) Oil-based eyeliners with the compositions shown in Table 1 were prepared using the manufacturing method described below. They were then evaluated and judged for the following criteria: a. smoothness, b. no smudging, c. line intensity in a single application, d. abrasion resistance, and e. sebum resistance. The results are also shown in Table 1.
[0067] [Table 1]
[0068] Note: For the "solid content" of components (1) to (4), the solids obtained by drying the synthetic product obtained in the above manufacturing example using a spray dryer were used. *1: SR1000 (manufactured by Momentive Performance Materials Japan) *2: ISODODECANE (manufactured by IMCD Corporation) *3: IP Solvent 1620 (manufactured by Idemitsu Kosan Co., Ltd.) *4: BENTONE 38V BC (manufactured by Elementis) *5: AEROSIL 300 (manufactured by Nippon Aerosil Co., Ltd.) *6: PERFORMA SW-87 SYNTHETIC WAX (manufactured by Japan Surfactant Industry Co., Ltd.) *7: KSG-43 (manufactured by Shin-Etsu Chemical Co., Ltd.); Solvent: Triethylhexanoin *8: Sunsphere NP-100 (manufactured by AGC SI-TEC) *9: High Filler K5 (manufactured by Matsumura Sangyo Co., Ltd.)
[0069] (Manufacturing method) a. Mix ingredients (6) to (13) and (18) uniformly at 25°C. b. Add components (1) to (5) and components (14) to (17) to a, mix at 25°C, and then heat at 80°C for 20 minutes. c. After cooling to 25°C, the mixture was filled into containers to obtain an oil-based eyeliner.
[0070] [Evaluation Method 1] (Evaluation criteria: a. Smoothness, c. Intensity of lines with a single stroke) Twenty cosmetic product evaluation panel members applied each sample to the base of their eyelashes in a single coat using a brush. Immediately after application, each panel member evaluated the "smoothness" and "intensity of the line in a single coat" on a 5-point scale according to the following absolute evaluation criteria. The average score of all panel members was then used to make a final judgment according to the following criteria. (Absolute evaluation criteria for smoothness) (Rating) : (Evaluation) 4 points: Extremely smooth, with absolutely no snagging on the skin. 3 points: Very smooth, although it slightly catches on the skin. Points 2: May snag on skin and is slightly not smooth. 1 point: It snags on the skin a lot and is not smooth. 0 points: It snags hard on the skin and is not smooth at all. (Absolute evaluation criteria for line thickness in a single stroke) (Rating) : (Evaluation) 4 points: Very concentrated 3 points: Dark 2 points: Slightly thin 1 point: Thin 0 points: Very thin (Judgment criteria) (Judgment): (Average score of the ratings) ◎: 3.5 or higher ○: 2.5 or higher and less than 3.5 △: 1.5 or higher, less than 2.5 ×: Less than 1.5
[0071] [Evaluation Method 2] (Evaluation item: B. Absence of smudging) A 5cm x 0.5cm frame was drawn on artificial leather with a pen. Before filling, a flat brush with approximately 100 1cm bristles at the tip was dipped into each sample and a 5cm line was drawn in a single stroke, completely filling in the frame on the artificial leather. A photograph of the line immediately after application was taken, and the area α[cm²] of the line drawn on the sample was calculated using image processing. 2 The ] was calculated, and the percentage of lines within the frame was calculated using the following formula (1). [Percentage of line occupancy within the frame] The percentage of the lines within the frame = (α / 2.5) * 100 ... (1) (Judgment criteria) (Judgment) : (Evaluation) ◎: The percentage of lines within the frame is 90% or more. ○: The percentage of lines within the frame occupied is 70% or more but less than 90%. △: The percentage of the lines within the frame is between 50% and 70%. ×: The percentage of lines within the frame occupied is less than 50%.
[0072] [Evaluation Method 3] (Evaluation item: II. Abrasion resistance) A 5cm x 0.5cm frame was drawn on artificial leather with a pen. Before filling, a flat brush with approximately 100 1cm bristles at the tip was dipped into each sample and a 5cm line was drawn in a single stroke, completely filling in the frame on the artificial leather. The artificial leather was then fixed in place. After the coating dried, a photograph of the line was taken, and the area β1[cm²] of the line drawn on the sample was calculated using image processing. 2The area β2[cm²] of the line drawn on the sample was calculated. Then, another piece of artificial leather was placed on top, and a 200g weight was placed on top of that. With the weight still in place, the artificial leather on top was slowly pulled about 10cm vertically along the frame so that the weight would pass over the frame. After repeating this five times, replacing the artificial leather on top each time, a photograph of the line was taken, and the area β2[cm²] of the line drawn on the sample was calculated using image processing. 2 The percentage of the remaining line was calculated using the following formula (2). [Percentage of remaining lines] The proportion of the remaining line = (β2 / β1) * 100 ... (2) (Judgment criteria) (Judgment) : (Evaluation) ◎: The percentage of remaining lines is 90% or more. ○: The percentage of remaining lines is between 80% and 90%. △: The percentage of remaining lines is between 70% and 80%. ×: Less than 70% of the lines remain.
[0073] [Evaluation Method 4] (Evaluation item: E. Sebum resistance) Before filling, a flat brush with approximately 100 1cm-long bristles at its tip was dipped into each sample, and a 5cm line was drawn within the artificial leather frame in a single stroke. After the coating dried, a photograph of the line was taken, and the area γ1[cm²] of the line drawn on the sample was calculated using image processing. 2 The area γ2[cm²] of the lines drawn on the sample was calculated. Then, the artificial leather was soaked in a sufficient amount of artificial sebum (a mixture of 40% triolein, 20% cholesterol, 20% squalene, and 20% palmitic acid) for 8 hours. The artificial leather was removed from the sebum, and any remaining oil was gently removed by pressing with a cloth. After that, a photograph of the lines was taken, and the area γ2[cm²] of the lines drawn on the sample was calculated using image processing. 2 The percentage of the remaining line was calculated using the following formula (3). [Percentage of remaining lines] The percentage of the remaining line = (γ2 / γ1)*100···(3) (Judgment criteria) (Judgment) : (Evaluation) ◎: The percentage of remaining lines is 90% or more. ○: The percentage of remaining lines is between 80% and 90%. △: The percentage of remaining lines is between 70% and 80%. ×: Less than 70% of the lines remain.
[0074] As is clear from the results in Table 1, the oil-based eyeliner of the example was excellent in all aspects: smoothness, lack of smudging, line intensity in a single application, abrasion resistance, and sebum resistance. On the other hand, Comparative Example 1, which contained trimethylsiloxysilicate instead of component (A), did not achieve satisfactory quality in line intensity in a single application or abrasion resistance. Furthermore, Comparative Example 2, which contained non-porous silica instead of component (C), was inferior in line intensity in a single application, abrasion resistance, and sebum resistance.
[0075] Further examples are described below. In manufacturing example 4, the solution is dried with a spray dryer to obtain a solid. Then, 30% of the solid is dissolved in 70% isododecane and used as DT resin (30% ISD solution).
[0076] Example 15: Oil-based eyebrow pencil (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 30 2. Light isoparaffin (Component (B))*2 30 3. Polyethylene (Component (C)) *10 5 4. Disteardimonium hectorite (component (C))*4 1 5. Methylpolysiloxane (2%) treated red iron oxide (component (D))*11 15 6. Talc * 13 remaining 7. Propylene carbonate*14 1 *10: Synthetic wax P-200 (manufactured by Nippon Natural Products Co., Ltd.) *11: SA-Bengara 216P (manufactured by Miyoshi Chemical Co., Ltd.) (Manufacturing method) A: Components 2, 4, and 7 were uniformly mixed at 25°C. B: Mix ingredients 1, 3, 5, and 6 with A at 25°C, then heat at 80°C for 20 minutes. After cooling C:B to 25°C, it was filled into a container to obtain an oil-based eyebrow product. (evaluation) The resulting oil-based eyebrow product exhibited excellent smoothness during application, superior abrasion resistance, and sebum resistance, resulting in long-lasting makeup.
[0077] Example 16: Water-in-oil emulsion mascara (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 20 2. Hydrogenated polyisobutene (Component (B))*3 15 3. Beeswax (Ingredient (C))*12 10 4. Candelilla wax (ingredient (C))*13 5 5. Quaternium-18 Hectorite (Component (C))*14 5 6.Red No. 226 (Component (D)) 10 7. Titanium dioxide (Component (D))*15 3 8. Lecithin 1 9. Talc * 9 remaining 10. Ethanol 1 11.Purified water 10 12. Polyvinyl alcohol 1 *12: WHITE BEES WAX (manufactured by Miki Chemical Co., Ltd.) *13: Refined Candelilla Wax SR-3 (manufactured by Nippon Natural Products Co., Ltd.) *14: Smecton SAN-P (manufactured by Kunimine Industries Co., Ltd.) *15: MP-1133 (manufactured by Teika Co., Ltd.) (Manufacturing method) A: Mix components 2, 5, and 10 uniformly at 25°C. B: Mix components 1, 3, 4, 6-9, and A uniformly, heat and dissolve at 100°C, then mix at 80°C for 20 minutes. C: Mix components 11 and 12 uniformly at 25°C, then mix at 80°C for 20 minutes. After cooling D:B and C to 25°C, add C to B and emulsify. E:D was filled into containers using a mascara filling machine to obtain a water-in-oil emulsion mascara. (evaluation) The resulting water-in-oil emulsion mascara exhibited excellent smoothness during application, provided a beautiful finish in a single coat, and offered superior abrasion and sebum resistance, resulting in long-lasting makeup.
[0078] Example 17: Oil-based liquid lipstick (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 10 2. Light isoparaffin (Component (B))*2 5 3. Microcrystalline wax (Ingredient (C))*16 5 4. Dimethylsilylated silica (component (C))*17 1 5.Red No. 226 (Component (D)) 7 6. Yellow No. 4 (Component (D)) 3 7. Titanium Mica (Component (D)) 3 8. Dextrin palmitate (ingredient (C))*18 3 9. Dextrin Myristate (Ingredient (C))*19 3 10. Polyglyceryl-2 Triisostearate 15 11. Polybutene 10 12. Vaseline 20 13.Fragrance 0.1 14. Talc remaining amount *16: MULTIWAX W445 (manufactured by SONNEBORN) *17: AEROSIL R-976S (manufactured by Nippon Aerosil Co., Ltd.) *18: Leopard KL2 (manufactured by Chiba Flour Milling Co., Ltd.) *19: Leopard MKL2 (manufactured by Chiba Flour Milling Co., Ltd.) (Manufacturing method) A: Heat and mix ingredients 1-14 uniformly at 100°C. After cooling B:A to 60°C, it was filled into containers using a lipstick filling machine to obtain an oil-based liquid rouge. (evaluation) The resulting oil-based liquid rouge exhibited excellent smoothness during application, provided a uniform, glossy finish with a single coat, and possessed superior abrasion resistance and sebum resistance.
[0079] Example 18: Oil-based concealer (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 5 2. Dimethicone (2CS) (Ingredient (B)) 20 3. (Dimethicone / Vinyl Dimethicone) Crosspolymer / Dimethicone (Component (C))*20 30 4. Silica (Component (C))*5 20 5. Triethoxycaprylylsilane (2%) treated black iron oxide (component (D)) 1 6. Triethoxycaprylylsilane (2%) treated red iron oxide (component (D)) 1 7. Triethoxycaprylylsilane (2%) treated yellow iron oxide (component (D)) 3 8. Triethoxycaprylylsilane (2%) treated titanium dioxide (component (D)) 10 9. Diphenylsiloxyphenyl trimethicone*21 5 10. Talc * 13 remaining *21: KF-56 (manufactured by Shin-Etsu Chemical Co., Ltd.) (Manufacturing method) A: Heat and mix ingredients 1-10 uniformly at 60°C. After cooling B:A to 25°C, it was filled into containers using a foundation filling machine to obtain an oil-based concealer. (evaluation) The resulting oil-based concealer exhibited excellent smoothness during application, as well as superior resistance to abrasion and sebum.
[0080] Example 19: Water-in-oil emulsion foundation (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 10 2. Light isoparaffin (Component (B))*2 10 3. Disteardimonium hectorite (component (C))*4 3 4. Stearalkonium hectorite (component (C))*22 1 5. Treatment with polyglyceryl-2 tetraisostearate (2%) Black iron oxide (component (D)) 0.3 6. Treatment with polyglyceryl-2 tetraisostearate (2%) Red iron oxide (component (D)) 0.7 7. Treatment with polyglyceryl-2 tetraisostearate (2%) Yellow iron oxide (component (D)) 0.5 8. Treatment with polyglyceryl-2 tetraisostearate (2%) Titanium dioxide (component (D)) 5 9. Ethanol 0.6 10,2-Cetyl ethylhexanoate 5 11. Hydrogenated polyisobutene*23 5 12. Talc * 13 remaining 13.Purified water 30 14.1,3-Butylene glycol 10 15. Dipropylene glycol 5 *22: BENTONE 27V (manufactured by Elementis) *23: Pearl Ream 24 (manufactured by NOF Corporation) (Manufacturing method) A: Mix ingredients 2-4 and 9 at 25°C. B: Mix components 1, 5-8, and 10-12 at 60°C. C: Mix components 13-15 uniformly at 25°C. Pour C into D:B, emulsify at 25°C, then add and mix in A. E:D was filled into containers using a foundation filling machine to obtain a water-in-oil emulsion foundation. (evaluation) The resulting water-in-oil emulsion foundation exhibited excellent smoothness during application, provided a uniform and beautiful finish with just one coat, and had good abrasion and sebum resistance, resulting in long-lasting makeup.
[0081] Example 20: Oil-based solid eyeliner (Ingredients) (%) 1. DT Resin (30% ISD solution) (Component (A)) 10 2. Light isoparaffin (Component (B))*2 15 3. Microcrystalline wax (Ingredient (C))*16 10 4. Dimethylsilylated silica (component (C))*17 3 5. Black iron oxide (component (D)) 3 6. Red iron oxide (component (D)) 1.5 7. Yellow iron oxide (component (D)) 7 8. Titanium dioxide (Component (D)) 3 9. Polyglyceryl-2 Triisostearate * 24 30 10. Talc * 13 remaining 11. Phenoxyethanol*25 0.5 *24: Cosmoll 43V (manufactured by Nisshin Oillio Group Co., Ltd.) *25: Mekkins-M (manufactured by Ueno Pharmaceutical Co., Ltd.) (Manufacturing method) A: Heat and mix ingredients 1-11 uniformly at 80°C. B: After cooling A to 25°C, it was filled into a jar container to obtain an oil-based solid eyeliner. (evaluation) The resulting oil-based solid eyeliner exhibited excellent smoothness during application, provided a uniform and beautiful finish in a single stroke, and had superior abrasion and sebum resistance, resulting in long-lasting makeup.
Claims
1. An oil-based makeup cosmetic containing the following ingredients (A) to (D). (A) A polyorganosiloxane having a block structure, represented by the following general formula (1), having a weight-average molecular weight of 500,000 or more, and being a solid at room temperature in the absence of solvent with a softening point of 50°C or higher. 【Chemistry 1】 (In the formula, R 1 , R 2 , R 3 , R 4 , R 5 (where m is a saturated or unsaturated hydrocarbon group having 1 to 20 carbon atoms, which may have hydrogen atoms or substituents; m represents the number of repeating diorganosiloxy units, where 50 ≥ m ≥ 0; a, b, c, d, and e represent the molar ratios of their respective siloxane units, where 0.3 ≥ a ≥ 0, 0.3 ≥ b > 0, 0.5 ≥ c ≥ 0, 0.95 ≥ d > 0.5, 0.3 ≥ e ≥ 0, and a + b × (2 + m) + c + d + e = 1; and x and y represent the number of hydroxyl or alkoxy groups bonded to 1 mole of Si atoms in the siloxane units a to e, where 0.1 ≥ x > 0 and 0.1 ≥ y > 0.) (B) Volatile oils (C) Oily thickener (D) Coloring pigments
2. The oily makeup cosmetic composition according to claim 1, wherein the component (B) volatile oil agent contains a hydrocarbon oil.
3. The oily makeup cosmetic composition according to claim 1 or 2, wherein the aforementioned component (C) oily thickener is one or more selected from fuzzy silica, organically modified clay minerals, waxes, and partially cross-linked organopolysiloxane polymers.
4. The oil-based makeup cosmetic according to claim 1 or 2, wherein the aforementioned component (D) coloring pigment contains a coloring pigment that has undergone hydrophobic surface treatment.
5. An oil-based makeup cosmetic according to claim 1 or 2, which is an eyeliner.
Citation Information
Patent Citations
Anhydrous liquid composition comprising oils, film-forming polymer, monoalcohol, and particulate material
JP2020037583A