JP3233673B2 - Cosmetics - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic composition containing a silicone compound modified with a long-chain hydrocarbon group, which has an excellent feeling in use and has a long lasting effect.

[0002]

2. Description of the Related Art Generally, cosmetics contain oils for the purpose of preventing skin from drying and for protecting the surface of the hair, but depending on the nature of the oils, they may become sticky or greasy when used. Disadvantages occur. In recent years, dimethyl silicone oil has been blended for the reason that a refreshing and light feeling is preferred. However, since dimethyl silicone oil has poor compatibility with hydrocarbon oils, it is difficult to mix it with ordinary cosmetic ingredients, and it is easy to be washed away from the skin or hair surface, and the effect is difficult to maintain. Was.

For this reason, blending of a long chain hydrocarbon group-modified silicone oil in which an α-olefin having 6 to 20 carbon atoms is added to polymethyl hydrogen siloxane has been studied (JP-A-56-72095, Id 60-569
No. 14 and JP-A-3-264510), the compatibility was improved, but the feeling of use was not good.

[0004] Cosmetics of a silicone compound having an ester structure are also known (Japanese Patent Application Laid-Open No. 61-12991).
Nos. 87 and 63-189438), and further improvement in the feeling of use has been desired.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks and to provide a cosmetic which gives a refreshing feeling of use, has excellent compatibility with ordinary hydrocarbon oils, and has a long lasting effect. With the goal.

[0006]

Means for Solving the Problems The inventors of the present invention have conducted intensive studies to achieve the above object, and as a result, they have found that organically modified silicone compounds having a long chain hydrocarbon group and a specific structure are contained. By doing so, it was found that a cosmetic having an excellent feeling in use and having a long lasting effect was obtained, and the present invention was completed.

That is, the present invention relates to a compound represented by the general formula (I) R ¹ (R ² ) _a SiO _{(3-a) / 2} (I) wherein R ¹ is a hydrocarbon group having 6 to 50 carbon atoms or- R ³
OC (O) R ⁴ , R ² represents a methyl group or a phenyl group, and a represents 0, 1 or 2. Here, R ³ represents a divalent hydrocarbon group having 3 to 10 carbon atoms, and R ⁴ represents 1 carbon atom.
A structural unit represented by the following general formula (II): (CH ₃ ) _b SiO _{(4-b) / 2} (II) (wherein b is 0, 1 or 2) And a structural unit represented by the following formula (1):

R ¹ represents a hydrocarbon group having 6 to 50 carbon atoms or —R ³ OC (O) R ⁴ , wherein the hydrocarbon group having 6 to 50 carbon atoms is a saturated or unsaturated aliphatic hydrocarbon group, Examples thereof include a cyclic hydrocarbon group and an aromatic hydrocarbon group, which may be linear or branched. Among these, an alkyl group having 14 to 50 carbon atoms is preferable, and an alkyl group having 18 to 50 carbon atoms is particularly preferable, since good characteristics as a cosmetic are obtained. R ³ represents a divalent hydrocarbon group having 3 to 10 carbon atoms, and R ⁴ represents a monovalent hydrocarbon group having 11 to 21 carbon atoms. R ³ may contain an unsaturated group or an aromatic group, but has excellent compatibility with both hydrocarbon oils and silicone oils as ordinary cosmetic ingredients, and is persistent when used as cosmetics. R ³ does not contain an ether bond because of its high effect. Particularly, an alkylene group having 3 to 5 carbon atoms is preferable. R ⁴ may contain an unsaturated group or an aromatic group, but is preferably an alkyl group, and particularly preferably an alkyl group having 15 to 17 carbon atoms.

R ² represents a methyl group or a phenyl group, and is preferably a methyl group.

Since a is 0, 1 or 2, the structural units of the formula (I) include R ¹ SiO _3/2 and R ¹ R ² SiO _2/2
And R ¹ (R ² ) ₂ SiO _1/2 units. b is 0, 1 or 2; therefore, the structural units of the formula (II) include SiO _4/2 , CH ₃ SiO _3/2 and (CH ₃ ) ₂
The SiO _2/2 unit is exemplified.

The long chain hydrocarbon group-modified silicone compound of the present invention contains a structural unit of the formula (I),
A cosmetic that has excellent compatibility with various cosmetic ingredients and therefore provides a stable cosmetic, and has a good feeling of use such as a refreshing feeling and favorable lubricity by containing the structural unit of the formula (II). Give a fee.

The long chain hydrocarbon group-modified silicone compound of the present invention comprises, as constituent units thereof, other siloxane units,
For example, (CH ₃ ) ₃ SiO _1/2 can be included.

The following compounds are exemplified as such a long-chain hydrocarbon group-modified silicone compound.

(I) a linear compound, wherein -R ¹ Si
A polysiloxane comprising c (CH ₃ ) O— units and d (—CH ₃ ) ₂ SiO— units, both ends of which are blocked with —R ¹ Si (CH ₃ ) ₂ , or (ii) Both ends are -Si
A polysiloxane blocked with (CH ₃ ) ₃ . Where 1 ≦
c, 1 ≦ d, preferably 5 ≦ (c + d) ≦ 1,0
00, more preferably 20 <(c + d) <1,0
00, particularly preferably 30 ≦ (c + d) ≦ 800. d is preferably from 5 to 80%, more preferably from 10 to 40%, based on c + d. Such compounds are generally liquid or solid at room temperature, but preferably have a melting point of 20 to 300 ° C, more preferably 30 to 100 ° C.

(Iii) a cyclic compound comprising -R ¹ Si
A polysiloxane comprising g (CH ₃ ) O— units and h — (CH ₃ ) ₂ SiO— units. Here, 1 ≦ g, 1 ≦ h, preferably 3 ≦ (g + h) ≦ 7, and more preferably 4 ≦ (g + h) ≦ 5.

(Iv) a branched compound, wherein R ¹ (CH ₃ )
A polysiloxane composed of i units of ₂ SiO _1/2 units and j units of CH ₃ SiO _3/2 units. Here, 1 ≦ i, 1 ≦ j, preferably 5 ≦ (i + j) ≦ 1,000, and more preferably 20 ≦ (i + j) ≦ 500.

(V) a branched compound, wherein R ¹ (CH ₃ )
₂ SiO _1/2 units consist of k units, (CH ₃ ) ₃ SiO _1/2 units consist of r units, and SiO _2/2 units consist of m units, and 1 ≦ k, 0 ≦
r, 1 ≦ m, preferably 5 ≦ (k + r + m) ≦
1,000, more preferably 10 ≦ (k + r + m) ≦ 2
00.

In the cosmetic of the present invention, (i), (ii)
It is preferable to compound the compound of i), especially the compound of (i).

As a method for producing the long-chain hydrocarbon group-modified silicone compound used in the present invention, a general method such as a hydrosilylation reaction between polymethyl hydrogen siloxane and an allyl ester of an α-olefin or a fatty acid can be used. Can be.

The long-chain hydrocarbon group-modified silicone compound of the present invention not only has excellent compatibility with the hydrocarbon oil used as a cosmetic component, but also has good compatibility with the polyorganosiloxane generally blended in cosmetics. And the affinity is also excellent. Therefore, the cosmetic of the present invention is also preferably used in combination with another polyorganosiloxane. Examples of such other polyorganosiloxanes include cyclic or chain volatile silicone, dimethyl silicone oil, high molecular weight dimethyl silicone, liquid or solid branched silicone resin at room temperature or silicone cured product powder. Is mentioned. Among them, (CH ₃ ) ₃ SiO _1/2 unit and (CH ₃ ) Si
A silicone resin comprising O _3/2 units, having a silanol content of 0.5% by weight or less and a melting point of 30 to 300 ° C., or a spherical spherical polymethylsilsesquioxane fine powder is more preferred. By using the above silicone resin in an amount of 5 to 1,000 parts by weight based on 100 parts by weight of the long-chain hydrocarbon group-modified silicone compound of the present invention, the water repellency and stability of the cosmetic are further improved. The polymethylsilsesquioxane fine powder is used in an amount of 0.1 to 100 parts by weight based on 100 parts by weight of the long-chain hydrocarbon group-modified silicone compound of the present invention.
By using 20 parts by weight, refreshing feeling and spreading are further improved.

The amount of the long-chain hydrocarbon-modified silicone compound of the present invention in a cosmetic is not particularly limited, but is preferably 0.5% by weight or more from the viewpoint of obtaining a good feeling in use. .

The cosmetics in the present invention include hair cosmetics,
Includes not only skin cosmetics and makeup cosmetics, but also all products whose feel is a problem when used, such as sunscreen cosmetics and external medicines, and any dosage form, with restricted forms is not.

In the preparation of the cosmetic of the present invention, in addition to the above essential components, components used as ordinary raw materials for cosmetics and external medicines are blended in accordance with the purpose within a range that does not impair the effects of the present invention. be able to.

For example, powders include talc, muscovite, synthetic mica, phlogopite, rhombic mica, biotite, lithia mica, sericite, vermiculite, kaolin, titanium dioxide, titanium oxide-coated mica, titanium oxide-coated talc, and titanium oxide. Pearl pigments such as coated bismuth oxychloride, bismuth oxychloride, fish scales, colored mica coated with titanium oxide; metal powder pigments such as aluminum powder, copper powder; inorganic red pigments of iron oxide (iron oxide) and iron titanate; γ-oxidation Inorganic brown pigments such as iron; inorganic yellow pigments such as yellow iron oxide and loess; inorganic black pigments such as black iron oxide and carbon black; inorganic purple pigments such as mango violet and cobalt violet; chromium oxide and chromium hydroxide; Inorganic green pigments such as cobalt titanate; inorganic blue pigments such as ultramarine and navy blue, zinc white, bentona Door, barium sulfate, metal soap,
Diatomaceous earth, aluminum silicate, calcium silicate,
Barium silicate, magnesium silicate, strontium silicate, metal tungstate, calcium carbonate, magnesium carbonate, chromium oxide, chromium hydroxide, carbon black, alumina, hydroxyapatite, boron nitride, silica,

Nylon powder, zeolite, benzoguanamine powder, ethylene tetrafluoride powder, polyamide powder, polyester powder, polyethylene powder, polypropylene powder, polystyrene powder, cellulose powder, Red No. 201, Red No. 202
No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 228, Red No. 405, Orange No. 203
No. 204, Yellow No. 205, Yellow No. 401 and Blue No. 404, etc., Red No. 3, Red No. 104, Red No. 106, Red No. 227, Red No. 230, Red No. 401
No., Red No. 505, Orange No. 205, Yellow No. 4, Yellow No. 5
No. Yellow No. 202, Yellow No. 203, Green No. 3 and Blue No. 1
Organic pigments such as zirconium, barium or aluminum lakes, and natural pigments such as chlorophyll and β-carotene are used.

The oils include squalane, liquid paraffin, petrolatum, microcrystalline wax, ozokerite, ceresin, myristic acid, palmitic acid,
Stearic acid, oleic acid, isostearic acid, cetyl alcohol, hexadecyl alcohol, oleyl alcohol, cetyl-2-ethylhexanoate, 2-ethylhexyl palmitate, 2-octyldodecyl myristate, 2-octyldodecyl gum ester, neopentyl Glycol-2-ethylhexanate, isooctylic acid triglyceride, 2-octyldodecyl oleate, isopropyl myristate, isostearic acid triglyceride, coconut oil fatty acid triglyceride, olive oil, avocado oil, beeswax, myristyl myristate, mink oil, lanolin, dimethylpoly Siloxane, cyclic dimethylpolysiloxane, methylphenylpolysiloxane, silicone resin, polyether-modified silicone, amino-modified silicone Various hydrocarbons etc., higher fatty acids, fats and oils, esters, higher alcohols, waxes, silicone oils and the like.

In the cosmetic of the present invention, in addition to the above-mentioned components, if necessary, water, a surfactant, a humectant, a lower alcohol, a thickener, a fragrance, an antioxidant, an antiseptic and a preservative, an extender pigment Ingredients commonly used in cosmetics, such as coloring pigments, can be blended within a range that does not impair the effects of the present invention. The present invention relates to a compound represented by the general formula (I) R ¹ (CH ₃ ) SiO (I) wherein R ¹ is a hydrocarbon group having 6 to 50 carbon atoms or —R ³ O
Represents C (O) R ⁴ , wherein R ³ is 2 of 3-10 carbon atoms;
And R ⁴ represents a hydrocarbon group having 11 to 21 carbon atoms), and a structure represented by the general formula (II) (CH ₃ ) ₂ SiO (II) 5 ≦ c + d ≦ 1,0
00; both ends are -R ¹ Si (CH ₃ ) ₂ or -Si (C
A cosmetic comprising a long-chain hydrocarbon group-modified linear silicone compound having a melting point of 27 to 100 ° C., which is blocked with H ₃ ) ₃ .

[0028]

The present invention will be specifically described below with reference to examples and comparative examples. The present invention is not limited by this. In the following, parts are by weight, and the blending amount is% by weight. Prior to the examples, synthetic examples of the long-chain hydrocarbon group-modified silicone compound used in the present invention will be described.

[0029] Synthesis Example 1 Average rational formula C ₁₈ 1-alkene H ₃₆ (Mitsubishi Chemical Corporation, trade name: Daiyaren 18) 100 parts and 100 parts of toluene, dropping funnel, stirrer, reflux condenser and thermometer Was charged into a four-necked flask equipped with, and heated to 100 ° C. with stirring. Next, platinum is 10 ppm by weight with respect to 1-alkene.
Then, a solution of chloroplatinic acid in isopropanol was added. To this, 20 parts of trimethylsilyl-terminated polymethylhydrogensiloxane having an average of 35 methylhydrogensiloxy units and an average of 20 dimethylsiloxy units in one molecule were dropped from a dropping funnel. After completion of the dropwise addition, heating and stirring were continued at a temperature of 100 ° C. for 6 hours to complete the reaction. Next, the reaction solution was heated at 120 ° C. and 20 mmHg.
Hold for time to remove toluene and other volatile components. This was filtered through a 150 mesh wire mesh. The obtained long chain hydrocarbon group-modified silicone compound (P-1) was a wax-like solid having a melting point of 30 ° C.

Synthesis Example 2 1-Alkenes represented by the following formulas C ₂₀ H _{40 to} C ₂₈ H ₅₆
Alken (Mitsubishi Kasei Co., Ltd., product name: Dialen 208)
And using 48 parts of a trimethylsilyl-terminated polysiloxane having an average of 40 methylhydrogensiloxy units and an average of 20 dimethylsiloxy units in one molecule as a polymethylhydrogensiloxane. Performed in a similar manner to 1. The obtained long chain hydrocarbon group-modified silicone compound (P-2) has a melting point of 53.
° C as a waxy solid.

Synthesis Example 3 As a 1-alkene, 1 of the chemical formula C ₃₀ H _{60 to} C ₅₀ H ₁₀₀
-Alken (Mitsubishi Kasei Co., Ltd., product name: Dialen 30)
Except that 41 parts of a hydrodimethylsilyl-terminated polysiloxane having an average of 40 methylhydrogensiloxy units and an average of 20 dimethylsiloxy units in one molecule were used as the polymethylhydrogensiloxane, A sample was prepared in the same manner as in Synthesis Example 1. The obtained long chain hydrocarbon group-modified silicone compound (P-3) was a wax-like solid having a melting point of 63 ° C.

[0032] Synthesis Example 4 1-alkene, 1-alkenes (Mitsubishi Kasei, trade name: Daiyaren 18) of rational formula C ₁₈ H ₃₆ using,
Synthesis Example 1 except that 40 parts of a hydrodimethylsilyl-terminated polysiloxane having an average of 500 methylhydrogensiloxy units and an average of 500 dimethylsiloxy units in one molecule were used as the polymethylhydrogensiloxane. Was performed in the same manner as described above. The obtained long chain hydrocarbon group-modified silicone compound (P-4) has a melting point of 27 ° C.
Was a waxy solid.

[0033] Synthetic Example 5 1-alkene, 1-alkenes rational formula C ₁₆ H ₃₂ (Mitsubishi Chemical Corporation, trade name: Daiyaren 16) using,
Synthesis Example 1 except that 21 parts of trimethylsilyl-terminated polysiloxane having an average of 56 methylhydrogensiloxy units in one molecule and having no dimethylsiloxy unit was used as the polymethylhydrogensiloxane.
Was performed in the same manner as described above. The obtained long-chain hydrocarbon group-modified silicone compound (P-5) was a wax-like solid having a melting point of 37 ° C.

Synthesis Example 6 Instead of 1-alkene, allyl stearate (C ₁₇ H
₃₅ COOCH ₂ CH ＝ CH ₂ ) and the same procedure as in Synthesis Example 1 except that 52 parts of the same polysiloxane used in Synthesis Example 3 was used as methyl hydrogen polysiloxane. The obtained long chain hydrocarbon group-modified silicone compound (P-6) was a wax-like solid having a melting point of 34 ° C.

Synthesis Example 7 Instead of 1-alkene, allyl palmitate (C ₁₅ H
₃₁ COOCH ₂ CH ＝ CH ₂ ) and the same procedure as in Synthesis Example 1 except that 16 parts of the same polysiloxane used in Synthesis Example 5 was used as polymethylhydrogensiloxane. The obtained long chain hydrocarbon group-modified silicone compound (P-7) was a wax-like solid having a melting point of 38 ° C.

Synthesis Example 8 As polymethylhydrogensiloxane, 40 parts of a cyclic polysiloxane having two methylhydrogensiloxy units and two dimethylsiloxy units in one molecule were used, and celite was used instead of a wire mesh. Except that the mixture was filtered under reduced pressure. The obtained long-chain hydrocarbon group-modified silicone (P-8) has a viscosity of 10 cSt (2
5 ° C.).

[0037] Synthetic Example 9 1-alkenes, 1-alkene (Mitsubishi Kasei, trade name: Daiyaren 10) of the average rational formula C ₁₀ H ₂₀ using, as a methylhydrogensiloxane, average per molecule Same as Synthesis Example 1 except that 46 parts of trimethylsilyl-terminated polysiloxane having 4 methylhydrogensiloxy units and an average of 40 dimethylsiloxy units were used, and filtration under reduced pressure was performed using celite instead of a wire mesh. Carried out. The obtained long chain hydrocarbon group-modified silicone compound (P-9) was a liquid having a viscosity of 200 cSt (25 ° C.).

<Lipstick> Example 1 A lipstick was formulated according to the following components and amounts. (1) ozokerite 5.0 (2) ceresin 5.0 (3) P-1 10.0 (4) glycerin trioctanoate 20.0 (5) diisostearyl malate 40.0 (6) myristic acid (2 -Octyldodecyl) 10.0 (7) Titanium mica 8.0 (8) Red No. 202 2.0 (9) Perfume proper amount (10) Preservative proper amount

After the components (1) to (6) are dissolved by heating and homogenized, the components (7) and (8) are added and uniformly dispersed, and then the components (9) and (10) are added to remove the components. I noticed.
The mixture was filled in a predetermined mold and cooled to obtain a lipstick.

Comparative Example 1 A solid paraffin was used instead of P-1.
A lipstick was obtained in the same manner as in Example 1.

Comparative Example 2 Example 1 was repeated except that P-5 was used instead of P-1.
Lipstick was obtained.

<Solid Foundation> Example 2 A solid foundation was formulated according to the following components and amounts. (1) Titanium dioxide 10.0 (2) Talc 30.0 (3) Mica 30.0 (4) Fine powder of polymethylsilsesquioxane 9.0 (5) Iron oxide 5.0 (6) P-2 10.0 (7) Solid paraffin 5.0 (8) Sorbitan sesquioleate 1.0 (9) Preservative appropriate amount (10) Flavor appropriate amount

The components (1) to (5) were mixed, while the components (6) to (10) were dissolved by heating and sprayed on the mixture of the components (1) to (5) to further mix. This was pulverized by a pulverizer and compression-molded into a metal plate through a sieve to obtain a solid foundation.

Comparative Example 3 A solid foundation was obtained in the same manner as in Example 2 except that polydimethylsiloxane having a viscosity of 5 cSt at 25 ° C. was used instead of P-2.

<Emulsion Foundation> Example 3 An emulsion foundation was formulated according to the following components and amounts. (1) Stearic acid 2.4 (2) Propylene glycol monostearate 2.0 (3) Cetostearyl alcohol 0.2 (4) Liquid lanolin 2.0 (5) P-3 3.0 (6) Myristic acid Isopropyl 8.5 (7) Propylparaben qs (8) Purified water 64.1 (9) Sodium carboxymethylcellulose 0.2 (10) Bentonite 0.5 (11) Propylene glycol 4.0 (12) Triethanolamine 1. 1 (13) Methyl paraben appropriate amount (14) Titanium oxide 8.0 (15) Talc 4.0 (16) Iron oxide appropriate amount

The components (14) to (16) were mixed well and pulverized using a pulverizer. Heat the component (8), add the components (9) to (13) to this, and dissolve it well.
(7) was heated and dissolved. Pulverized components (14) to (1)
6) is added to the dissolved components (8) to (13), and the mixture is stirred and heated well. The components (1) to (7) dissolved by heating are added and stirred. Got a foundation.

Comparative Example 4 An emulsion base was obtained in the same manner as in Example 3, except that polydimethylsiloxane having a viscosity of 10 cSt at 25 ° C. was used instead of P-3.

<Cream> Example 4 A cream was formulated according to the following components and amounts. (1) Stearic acid 3.0 (2) Cetanol 3.0 (3) Beeswax 3.0 (4) P-4 3.0 (5) Squalane 8.0 (6) Myristic acid (2-octyldodecyl) 8 0.0 (7) polyoxyethylene (40) monostearate 1.8 (8) sorbitan monostearate 1.0 (9) polyoxyethylene (40) sorbitol tetraoleate 1.0 (10) propylparaben 11) 1,3-butylene glycol 7.0 (12) Appropriate amount of methyl paraben (13) Purified water 38.8

The components (1) to (10) were dissolved by heating to form an oil phase, and the components (11) to (13) were dissolved by heating to form an aqueous phase. The aqueous phase was added to the oil phase and sufficiently emulsified by an emulsifier. Thereafter, the mixture was cooled to 35 ° C. to obtain a cream.

Comparative Example 5 A cream was obtained in the same manner as in Example 4 except that polydimethylsiloxane having a viscosity of 20 cSt at 25 ° C. was used instead of P-4.

<Emulsion> Example 5 An emulsion was formulated according to the following components and amounts. (1) Stearic acid 0.5 (2) Cetanol 1.5 (3) Vaseline 3.0 (4) Lanolin alcohol 2.0 (5) P-2 10.0 (6) Polyoxyethylene (10) monooleate 2 0.0 (7) Glycerin 3.0 (8) Propylene glycol 5.0 (9) Triethanolamine 1.0 (10) Preservative appropriate amount (11) Purified water 70.0

The components (1) to (6) were dissolved by heating to form an oil phase, and the components (7) to (11) were dissolved by heating to form an aqueous phase. The oil phase was added to the aqueous phase with stirring, emulsified with an emulsifier, and cooled to 35 ° C. with stirring to obtain an emulsion.

Comparative Example 6 An emulsion was obtained in the same manner as in Example 5 except that polydimethylsiloxane having a viscosity at 25 ° C. of 50 cSt was used instead of P-2.

Example 6 An emulsion was obtained in the same manner as in Example 5, except that P-3 was used instead of P-2.

<Heart Treatment> Example 7 A hair treatment was formulated according to the following components and amounts. (1) ethylene glycol distearate 1.0 (2) liquid paraffin 10.0 (3) squalane 5.0 (4) cetyl alcohol 1.5 (5) polydimethylsiloxane (20 cSt (25 ° C.)) 3.0 ( 6) P-6 6.0 (7) Polyoxyethylene (6) stearyl ether 4.5 (8) Polyoxyethylene (20) cetyl ether 2.0 (9) 1,3-butylene glycol 6.0 (10 ) Methylparaben qs (11) Purified water 61.0

The components (1) to (8) were heated and dissolved to obtain an oil phase, and the components (9) to (11) were heated and dissolved to obtain an aqueous phase. The oil phase was added to the aqueous phase with stirring, emulsified with an emulsifier, and cooled to 35 ° C. with stirring to obtain a hair treatment.

Comparative Example 7 A hair treatment was obtained in the same manner as in Example 6, except that stearic acid was used instead of P-6.

<Rinse-in shampoo> Example 8 A rinse-in shampoo was formulated according to the following components and amounts. (1) Amidopropyldimethyl laurate / betaine aminoacetate (30%) 15.0 (2) Polyoxyethylene (3) lauryl ether / sodium sulfate (27%) 7.0 (3) Polyoxyethylene (150) distearate 0.5 (4) Cationized cellulose (4%) 0.5 (5) 1,3-butylene glycol 3.0 (6) Preservative appropriate amount (7) P-6 5.0 (8) Purified water 69. 0

The components (1) to (6) were stirred and dissolved at 80 ° C., and the component (8) was added thereto, followed by cooling to 50 ° C. and stirring. Next, the component (7) previously dissolved at 50 ° C.
Was added, and the mixture was cooled and stirred to 40 ° C. to obtain a rinse-in shampoo.

Comparative Example 8 A rinse-in shampoo was obtained in the same manner as in Example 7, except that polydimethylsiloxane having a viscosity at 25 ° C. of 100,000 cSt was used instead of P-6.

Comparative Example 9 Example 7 was repeated except that P-7 was used instead of P-6.
And a rinse-in shampoo was obtained.

<Aerosol hair styling agent> Example 9 An aerosol hair styling agent was formulated according to the following components and amounts. (1) P-8 1.5 (2) Propylene glycol 0.3 (3) Methylphenyl polysiloxane (phenyl group content: 30 mol%) (20 cSt (25 ° C.)) 0.2 (4) Perfume appropriate amount (5) ) Ethanol 18.0 (6) Propellant (LPG) 80.0

The components (1) to (5) were stirred and mixed, the component (6) was added, and the mixture was filled in an aerosol container to obtain an aerosol hair styling agent.

Comparative Example 10 An aerosol hairdressing agent was obtained in the same manner as in Example 8, except that polydimethylsiloxane having a viscosity of 10 cSt at 25 ° C. was used instead of P-6.

Example 10 Example 8 was repeated except that P-9 was used instead of P-6.
In the same manner as in the above, an aerosol hair styling agent was obtained.

<Stick Antiperspirant> Example 11 A stick antiperspirant was formulated in accordance with the following components and amounts. (1) Decamethylcyclopentasiloxane 44.8 (2) Stearyl alcohol 20.0 (3) P-6 10.0 (4) Talc 5.0 (5) Triclosan 0.2 (6) Aluminum hydroxychloride 20. 0

The components (1) and (2) are mixed with stirring, and then the components (4) to (6) are added and stirred. Then, the component (3) is added and dissolved by heating. Pour into the mold,
A stick-shaped antiperspirant was obtained.

COMPARATIVE EXAMPLE 11 Except that solid paraffin was used instead of P-6,
In the same manner as in Example 1, a stick-shaped antiperspirant was obtained.

Comparative Example 12 Example 1 was repeated except that P-7 was used instead of P-6.
In the same manner as in Example 1, a stick-shaped antiperspirant was obtained.

<Spray Antiperspirant> Example 12 A spray antiperspirant was formulated according to the following components and amounts. (1) Isopropyl myristate 2.0 (2) Decamethylcyclopentasiloxane 4.0 (3) P-9 4.0 (4) Triclosan 0.2 (5) Aluminum hydroxychloride 5.0 (6) Polymethyl Silsesquioxane fine powder 3.0 (7) Talc 1.8 (8) Propellant (LPG) 80.0

After the components (1) to (4) are stirred and mixed, the components (5) to (7) are added, and the mixture is stirred and mixed so as to be uniform. A spray antiperspirant was obtained.

Comparative Example 13 A spray antiperspirant was obtained in the same manner as in Example 11 except that polydimethylsiloxane having a viscosity at 25 ° C. of 200 cSt was used instead of P-9.

<Evaluation Test> The cosmetics obtained in Examples and Comparative Examples were subjected to a coating use test by 10 female panelists. At the same time, the compatibility and stability of the cosmetics were evaluated. The results are shown in Tables 1 to 4. In addition, the evaluation criteria of the application use test are as follows, and the result was shown by the average value of the evaluation points by 10 panelists.

The compatibility was evaluated based on the compatibility of the components at the time of preparation of the cosmetic. The number of samples was 10, and the average value was shown.

The stability of the obtained cosmetic was measured at 40 ° C. for 5 days.
Evaluation was made based on the state of separation of components after standing for a day. The number of samples was 10, and the average value was shown.

[0076]

[Table 1]

[0077]

[Table 2]

[0078]

[Table 3]

[0079]

[Table 4]

[0080]

EFFECT OF THE INVENTION The cosmetic of the present invention has a light, soft feeling of use, a non-sticky and refreshing feel, has good compatibility of ingredients at the time of preparation, has good stability, and has a long-lasting effect. Is high.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI A61K 7/32 A61K 7/32 C08L 83/06 C08L 83/06 // C08L 83/04 83/04

Claims (1)

(57) [Claims] 1. A compound of the general formula (I) R ¹ (CH ₃ ) SiO (I) wherein R ¹ is a hydrocarbon group having 6 to 50 carbon atoms or —R ³ O
Represents C (O) R ⁴ , wherein R ³ is 2 of 3-10 carbon atoms;
-Valent hydrocarbon radical, R ⁴ is represented by a structural unit number c represented by the representative) a hydrocarbon group of 11 to 21 carbon atoms, the general formula _{(II) (CH 3) 2} SiO (II) Configuration 5 ≦ c + d ≦ 1,000; both ends are blocked with —R ¹ Si (CH ₃ ) ₂ or —Si (CH ₃ ) ₃ ; a melting point of 27 to 100 ° C. A cosmetic comprising a linear hydrocarbon compound modified with a chain hydrocarbon group.