JPH0789844A - Cosmetic - Google Patents

Abstract

PURPOSE:To obtain a cosmetic consisting essentially of an alkylphenylpolysiloxane having a specific chemical structure. CONSTITUTION:This cosmetic contains a compound of the formula [R is H or a hydrocarbon, with the proviso that at least 50mol% of R is phenyl; (n) is 0-1] as an essential components. The cosmetic is excellent in durability, water resistance, affinity for skin, gloss-providing property, water repellency, flexibility, steam permeability, gas permeability, film-forming property, retaining property of filter and lubricity and further, free from stickiness and the cosmetic has effects of suppressing floating of an inorganic filler when combined with the inorganic filler, improving transparency and providing natural gloss free from glittering of skin or hair. The cosmetic can be used for various kinds of skin cosmetics such as cleansing cream, cold cream, hand cream, power, lotion, foundation, mascara, eye shadow, lotion, lip stick, manicure, anti-suntan cream, hair growing agent of medicine or quasi-drug and dander-removing shampoo and hair cosmetics such as shampoo, rinse, hair spray, mousse and hair dyeing agent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic containing an alkylphenylpolysiloxane having a specific chemical structure as an essential component. More specifically, the present invention provides a cleansing cream,
Cold creams, hand creams, powders, lotions, foundations, mascaras, eye shadows, lotions, lipsticks, nail polishes, sunscreen creams, skin cosmetics such as hair growth agents and dandruff shampoos for drugs or quasi-drugs, shampoos, Used in hair cosmetics such as rinses, set lotions, hair sprays, permanent wave agents, mousses, hair dyes, etc., durability, water resistance, affinity with skin, gloss imparting, water repellency, softness sex,
Water vapor permeability, gas permeability, film forming property, filler retention,
It has excellent lubricity, is non-greasy, and has a specific chemical structure that, when combined with an inorganic filler, suppresses the whitening of the inorganic filler, improves transparency, and imparts a natural shine to the skin or hair without glare. The present invention relates to cosmetics containing alkylphenyl polysiloxane as an essential component.

[0002]

2. Description of the Related Art Skin cosmetics include cleansing cream, cold cream, hand cream, powder, lotion, foundation, mascara, and
There are various types such as eye shadows, lotions, lipsticks, nail polishes, sunscreen creams, hair growth agents for drugs or quasi-drugs, dandruff removal shampoo, and hair cosmetics, depending on the intended use, shampoos, rinses, There are various types such as set lotion, hair spray, permanent wave agent, mousse agent, and hair dye.

The main ingredients of these cosmetics are liquid paraffin, paraffin wax, fatty acids, higher alcohols,
Animal and vegetable oils and fats, synthetic esters, polyalkylene glycol derivatives, silicone-based compounds and the like have been adopted, and particularly silicone-based compounds have unique properties (for example, durability, water resistance, affinity with skin, gloss imparting property, Due to its water repellency, flexibility, water vapor permeability, gas permeability, film-forming property, filler retention, lubricity, etc.), it has been highlighted as a component of these cosmetics, and skin cosmetics of various silicone compounds. Alternatively, application to hair cosmetics has been proposed. Examples of skin cosmetics include dialkyl polysiloxanes (JP-A-54-119036), amino group-containing polysiloxanes (JP-A-57-58605), pendant polysiloxane-polyoxyalkylene copolymers (JP-A-58-58605). -131910, JP-A-59-19743
2), silicone resin (JP-A-62-29851)
8), esterified polysiloxane (JP-A-63-159)
489) and the like have been proposed. Further, as hair cosmetics, for example, dimethylpolysiloxane, diethylpolysiloxane, and methylphenylpolysiloxane are added to a shampoo agent to impart a rinsing effect (USP 2,827,5).
51), a diol derivative or a branched aliphatic alcohol, and a methylpolysiloxane (see JP-A-52)
-47923), a conditioning lotion containing a vinylpyrrolidone-polysiloxane copolymer (Japanese Patent Laid-Open No. Sho 5 (1993) -58,091).
2-57337), a cosmetic containing a quaternary nitrogen-containing cationic polysiloxane (JP-A-55-66506),
A hair treatment composition comprising an anionic polymer compound, a cationic surfactant and an oxyalkylene-modified polysiloxane (JP-A-55-108811), a hair conditioner comprising a polyoxyalkylene-modified organopolysiloxane and hydrous ethanol or anhydrous ethanol. Hair cosmetics comprising a composition (JP-A-55-136214), water, ethanol, a phosphate ester salt of polyoxypropylene (polyvalent) -alcohol ether and polyoxyalkylene methyl polysiloxane (JP-A-56-16405). ,
Hair cosmetics containing an organopolysiloxane-polyoxyalkylene copolymer (JP-A-56-2271)
2), a hair conditioning composition comprising an aminoalkyl group- and hydroxy group-containing polysiloxane, a cationic polymer and an aqueous carrier (JP-A-56-45406), an anionic surfactant, a cationic polymer, a silicone derivative (dimethyl). A shampoo composition comprising polysiloxane, methylphenylpolysiloxane, polyoxyalkylene-modified organopolysiloxane, epoxy-modified polysiloxane, fluorine-modified polysiloxane, alcohol-modified polysiloxane, alkyl-modified polysiloxane)
6-72095), a hair cosmetic comprising an α-olefin liquid polymer, dimethylpolysiloxane, a multi-molecular chain emulsifier and water (JP-A-56-92808), a quaternary ammonium salt, a higher alcohol and a hydrophobic poly. Hair cosmetics containing siloxane (JP-A-56-92808), amphoteric acrylic resin, polyoxyalkylene-modified organopolysiloxane, polyethylene glycol (JP-A-56-928).
92811) A hair conditioner mainly comprising an organopolysiloxane having at least one aminoalkyl group and at least one oxyalkylene group, polyoxyalkylene group or hydroxyalkyl group in one molecule (Japanese Patent Application Laid-Open No. SHO11-29100). 58-74602), a cosmetic containing a hydrophobic polysiloxane and a polyoxyalkylene-modified organopolysiloxane (JP-A-60-126209), a silicone conditioning agent, a polyoxyalkylene-modified dimethylpolysiloxane, a lipid vehicle substance, a cationic interface. A hair conditioning composition comprising an activator vehicle substance and water (JP-A-61-6), a hair colorant composition comprising a colorant component, an organopolysiloxane and water (JP-A-61-83111), and an organic silicone resin. Composed of volatile hydrocarbon oil Hair cosmetic (JP-A-61-1589
14) etc.

However, in the above-mentioned conventional techniques, durability, water resistance, affinity with skin, luster imparting property, water repellency, flexibility, water vapor permeability, gas permeability, film forming property, filler Provides retention and lubricity, but is less sticky and easier to use. When combined with an inorganic filler, it suppresses the whitening of the inorganic filler, improves transparency, and has a natural luster that does not cause glare on the skin or hair. The effect such as imparting a certain degree was demanded.

[0005]

DISCLOSURE OF THE INVENTION The present invention is a further improvement of conventional cosmetics containing a silicone-based compound as a component, and has durability, water resistance, affinity with skin, gloss imparting property, water repellency, and flexibility. Excellent in water resistance, water vapor permeability, gas permeability, film-forming property, filler retention, and lubricity. Furthermore, there is no stickiness, and when combined with an inorganic filler, whitening of the inorganic filler is suppressed and transparency is improved. It is an object of the present invention to provide a cosmetic composition which improves and gives natural gloss to the skin or hair without glare.

[0006]

[Means for Solving the Problem and Its Action] In order to find an effective silicone compound and other components as components of cosmetics, the present inventors have found out about the silicone compounds having various chemical structures and other components and combinations thereof. Through experiments, the inventors have found that an alkylphenylpolysiloxane having a specific chemical structure, which has never been proposed as a cosmetic, is effective, and completed the present invention.

That is, the present invention has the general formula

[Chemical 2] (In the formula, R is independently any group selected from a hydrogen group or a monovalent hydrocarbon group, of which at least 50% by mole is a phenyl group, and n is 0 to 1
Represents ) An alkylphenyl polysiloxane represented by the formula (1) is an essential ingredient, and in particular R is a methyl group other than the phenyl group in the above formula. Is.

Examples of R other than the phenyl group in the above formula include a hydrogen group, an alkyl group (eg, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group,
Octyl group, decyl group, dodecyl group, octadecyl group,
Eicosyl group), aryl groups other than phenyl group (eg naphthyl group), aralkyl groups (eg benzyl group, phenylethyl group), tolyl group, xylyl group, cyclohexyl group, halogenated alkyl group (trifluoropropyl group) , A chloropropyl group, etc.), and a methyl group is particularly preferable.

The physical property of the alkylphenyl polysiloxane having a specific chemical structure used in the present invention is 2
The viscosity at 5 ° C is 250 centipoise or less, and the refractive index is 1.55 or more. By utilizing these characteristics, there is no stickiness and the whiteness of the inorganic filler when combined with the inorganic filler is high. Suppress floating
It is possible to provide a cosmetic having improved transparency and imparting a natural luster to the skin or hair without glare.

Examples of the alkylphenyl polysiloxane having a specific chemical structure used in the present invention include, but are not limited to, the followings.

[Chemical 3]

[Chemical 4]

[Chemical 5]

[Chemical 6]

The alkylphenyl polysiloxane having a specific chemical structure used in the present invention can be produced by a conventional synthetic method known per se. For example, the compound represented by the above formula (2) can be obtained by subjecting methyldiphenylsilanol and dimethyldichlorosilane to a dehydrochlorination condensation reaction, followed by distillation and purification. Furthermore, as another manufacturing method, 1,3-dimethyl-1,1,3,3
3-tetraphenyldisiloxane and 1,1,3,3,3
It can be obtained by equilibrating 5,5,7,7-octamethylcyclotetrasiloxane with an acid or alkali catalyst and then performing distillation purification.

However, as described above, the alkylphenylpolysiloxane having a specific chemical structure used in the present invention may be mixed with, for example, those in which the value of n in the above formula is 2 or more, but as a whole It is preferable to purify within a range satisfying physical properties. Therefore, when a production method having a wide molecular weight distribution is selected, it is preferable to purify by distillation or the like, but when a production method having a narrow molecular weight distribution is selected, it may or may not be purified. .

In addition to the alkylphenylpolysiloxane having a specific chemical structure, the cosmetic of the present invention also has an inorganic filler (sericite, silica,
Silica Alumina, Silica gel, Quartz, Kaolin, Talc, Red iron oxide, Sunflower, Clay, Zinc monoxide, Zinc dioxide, Iron oxide, Titanium oxide, Magnesium oxide, Chromium oxide, Antimony oxide, Aluminum oxide, Magnesium carbonate, Calcium carbonate, Calcium phosphate , Barium sulfate, aluminum hydroxide, chromium hydroxide, mica, titanium mica, magnesium metasilicate aluminate, magnesium aluminate silicate, carbon black, etc., oil (camellia oil, rapeseed oil, sesame oil, safflower oil, cottonseed oil, Castor oil, soybean oil, coconut oil, palm oil, beeswax,
Montan wax, lanolin, squalane, silicone oil, etc., surfactants (alkylbenzene sulfonate, polyoxyalkylene alkyl sulfate, alkyl sulfate, alkane sulfonate, alkyl ethoxy carboxylate, succinic acid derivative, alkyl amine oxide, Imidazoline type compounds, polyoxyethylene alkyl or alkenyl ethers, polyoxyethylene alkylphenyl ethers, higher fatty acid alkanolamides or their alkylene oxide adducts, etc., polymer compounds (hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, methyl cellulose, cations) Cellulose, cationized polymer, polyvinylpyrrolidone, copolymer of vinylpyrrolidone and vinyl acetate, Nylpyrrolidone-vinyl acetate-alkylamino acrylate copolymer, lower alkyl half ester of methyl vinyl ether-maleic anhydride copolymer, vinyl acetate-crotonic acid copolymer, acrylic acid-acrylic acid ester-N-alkylacrylamide copolymer Etc.), moisturizers (glycerin, ethylene glycols, propylene glycols, sorbitol, maltitol, sodium pyrrolidonecarboxylate, polyoxyethylene methyl glucoside, polyoxypropylene methyl glucoside, glucose, hyaluronic acid, etc.), amino acids (glycine, Serine, proline, etc.), lower alcohol,
Combined with water, antioxidants, UV absorbers, fragrances, dyes, pigments, pigments, preservatives, vitamins, hormones, deodorants, adhesives, anti-inflammatory agents, etc. , But not limited to them.

When used as an aerosol type spray, a propellant such as propane, butane, trichloromonofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, carbon dioxide gas, nitrogen gas, LPG and dimethyl ether is used in combination.

The cosmetics of the present invention include cleansing cream, cold cream, hand cream, powder, lotion, foundation, mascara, eye shadow, lotion, lipstick, nail polish, sunscreen cream,
Various skin cosmetics such as hair growth agents and dandruff shampoo for pharmaceuticals or quasi-drugs, and various applications such as shampoos, rinses, set lotions, hair sprays, permanent wave agents, mousses, hair dyes, etc. Can be used for

[0016]

EXAMPLES Next, the present invention will be explained based on examples, but the present invention is not limited to these. The blending amount is% by weight. The evaluation method is shown below prior to the examples. Gloss imparting, lubricity, and stickiness test A tester actually applied the sample to the back of the hand, and sensory-evaluated each item according to the following criteria. (Gloss imparting property) ○: Excellent Δ: A little excellent ×: Inferior (Lubricity) ○: Excellent Δ: A little excellent ×: Inferior (sticky) ○: Almost no Δ: Slightly ×: Sticky skin makeup finish test tester Actually applied the sample to the back of the hand, took a photograph, and compared and evaluated the sample before application according to the following criteria. ○: Fine wrinkles are not noticeable △: Fine wrinkles are not noticeable ×: Almost no change from that before application Finishing test of hair makeup The tester actually applied the sample to the hair and took a photograph, before applying it according to the following criteria It was compared and evaluated. ◯: Significantly increased gloss △: Slightly increased gloss x: Almost unchanged from before application

Examples 1 to 4, Comparative Examples 1 to 4 and Examples 5 to 8, Comparative Examples 5 to 8 As an alkylphenyl polysiloxane having a specific chemical structure for Examples, a viscosity at 25 ° C. is 13 centipoise,
The following expression (1) having a characteristic value of a refractive index of 1.555:

[Chemical 7] A compound represented by the following formula (2) having a characteristic value of a viscosity at 25 ° C. of 37 centipoise and a refractive index of 1.556:

[Chemical 8] A compound represented by the following formula (3) having a characteristic value of a viscosity at 25 ° C. of 165 centipoise and a refractive index of 1.578:

[Chemical 9] A compound represented by the following formula (4) having a characteristic value of a viscosity at 25 ° C. of 32 centipoise and a refractive index of 1.554:

[Chemical 10] The following formula (5) having a characteristic value of a compound represented by the following formula and a dimethylpolysiloxane for a comparative example having a viscosity at 25 ° C. of 100 centipoise and a refractive index of 1.403:

[Chemical 11] And a compound represented by the following formula (6) having a characteristic value of a viscosity of 15 centipoise at 25 ° C. and a refractive index of 1.500 as an alkylphenyl polysiloxane for a comparative example.

[Chemical 12] A compound represented by the following formula (7) having a characteristic value of a viscosity at 25 ° C. of 500 centipoise and a refractive index of 1.533:

[Chemical 13] A compound represented by the following formula (8) having a characteristic value of a viscosity at 25 ° C. of 125 centipoise and a refractive index of 1.496:

[Chemical 14] The skin cosmetics shown in Table 1 below and the hair cosmetics shown in Table 2 below were prepared and evaluated using the compound represented by.

[Table 1]

[Table 2] The evaluation results are shown in Table 3 and Table 4 below.

[Table 3]

[Table 4] As is clear from Table 3 and Table 4, the cosmetics of the present invention have durability, water resistance, skin affinity, gloss imparting property, water repellency, flexibility, water vapor permeability, gas permeability, In addition to film-forming properties, filler retention and lubricity, it is also non-greasy and suppresses the whitening of the inorganic filler when combined with an inorganic filler, improving transparency and making the skin or hair glare-free and natural. It can be seen that it imparts luster and is superior to conventional products.

[0018]

EFFECTS OF THE INVENTION The cosmetic of the present invention, which comprises an alkylphenylpolysiloxane having a specific chemical structure as an essential component, is a cosmetic which is a further improvement of the conventional cosmetic containing a silicone compound as one component. Has excellent affinity, luster imparting property, water repellency, flexibility, water vapor permeability, gas permeability, film forming property, filler retention property, lubricity, and is non-sticky, when combined with an inorganic filler. It is superior to conventional products because it suppresses the whitening of the inorganic filler, improves transparency, and imparts a natural shine to the skin or hair without glare.

Claims (2)

[Claims] 1. A general formula: (In the formula, R is independently any group selected from a hydrogen group or a monovalent hydrocarbon group, of which at least 50% by mole is a phenyl group, and n is 0 to 1
Represents ) An alkylphenylpolysiloxane represented by the formula (1) is an essential ingredient. 2. The cosmetic according to claim 1, wherein the monovalent hydrocarbon group other than the phenyl group is a methyl group.