JP3242155B2 - Water-in-oil 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 water-in-oil type cosmetic, and more particularly to a water-in-oil type cosmetic which provides an excellent feeling upon use and has remarkably improved stability over time.

[0002]

2. Description of the Related Art In recent years,
In a water-in-oil emulsion composition, silicone oil is used as an oil agent in order to obtain a refreshing, less sticky, and good water repellent composition. In preparing such an emulsified composition, a lipophilic polyoxyalkylene-modified organopolysiloxane-based surfactant having good compatibility with silicone oil is generally used as an emulsifier. On the other hand, one of the present applicants first described in the oil phase component that
Contains a silicone gel composition comprising a partially crosslinked organopolysiloxane polymer and a low-viscosity silicone oil, and uses a polyoxyalkylene-modified organopolysiloxane-based surfactant as an emulsifier, and has excellent temporal stability and excellent usability. A water-type emulsified composition was successfully obtained (JP-A-3-79669).

[0003] However, when the above oil agent and emulsifier are combined, if a large amount of water is blended in order to obtain a good feeling of use, the stability with time is often impaired. Further, a mixture of an organohydrogenpolysiloxane containing a polyoxyalkylene group and an organopolysiloxane containing an aliphatic unsaturated group or a mixture of an organohydrogenpolysiloxane and a polyoxyalkylene containing an aliphatic unsaturated group Is obtained by addition polymerization in the presence or absence of low-viscosity silicone oil and / or polyhydric alcohol to form a silicone polymer, and kneading the polymer with silicone oil under shearing force to obtain a paste-form silicone composition Even when is used as an oil agent, an excellent feeling in use can be obtained, but a satisfactory one in terms of stability over time has not yet been obtained.

Therefore, while giving a good feeling of use,
It has been desired to develop a water-in-oil type cosmetic having excellent stability over time.

[0005]

Means for Solving the Problems The inventors of the present invention have conducted intensive studies in view of the above circumstances, and as a result, have found that an oil phase component containing a paste-like silicone composition described later and silicic anhydride and / or hydrophobized silica is mixed with water. It has been found that a water-in-oil type cosmetic containing a phase component provides good feeling of use and stability over time, and has completed the present invention.

That is, the present invention provides an oil phase component and an aqueous phase component containing the following (a) and (b); (a) a paste-like silicone composition; and (b) silicic anhydride and / or hydrophobized silica. And a water-in-oil type cosmetic comprising:

The paste-like silicone composition (a) used in the present invention has the following general formula (1): R ¹ _a R ² _b H _c SiO _{(4-abc) / 2} (1) ¹ is the same or different unsubstituted or substituted alkyl group having 1 to 18 carbon atoms, aryl group, aralkyl group or halogenated hydrocarbon group, R ² is a general formula C _n H _2n O (C ₂ H ₄ O) _d (C
₃ H ₆ O) _e R ³ [where R ³ is a hydrogen atom or carbon number 1 to 10
Saturated aliphatic hydrocarbon group or ^{- (CO) -R 5 (R} 5 is a saturated aliphatic hydrocarbon group having 1 to 5 carbon atoms) groups represented by, d is an integer of 2 to 200, e is 0 to 200 And d + e is 3
An integer of from 200 to 200, and n represents from 2 to 6], a is 1.0 ≦ a ≦ 2.5,
b is 0.001 ≦ b ≦ 1.0, c is 0.001 ≦ c ≦
During organohydrogenpolysiloxane and / or general formula _{^{(2) R 1 f H g}} SiO (4-fg) / 2 (2) ( Formula represented by 1.0 respectively}, R ¹ is as defined above, f is 1.0 ≦ f ≦ 3.0,
g represents 0.001 ≦ g ≦ 1.5, respectively) and an organohydrogenpolysiloxane represented by the following formula:

General formula (A) C _m H _2m-1 O (C ₂ H ₄ O) _h (C ₃ H ₆ O) _i C _m H _2m-1 (A) (where h is 2 to 200) An integer, i is an integer of 0 to 200, h + i is an integer of 3 to 200, and m is 2 to 6, respectively), a low-viscosity silicone oil having a viscosity at 25 ° C of 100 cS or less; A product obtained by kneading 100 parts by weight of a silicone polymer obtained by addition polymerization in the presence or absence of a polyhydric alcohol and 5 to 1,000 parts by weight of a low-viscosity silicone oil under shearing force. I do.

[0009] The silicone polymer constituting the paste-like silicone composition (a) used in the present invention is obtained by mixing an organohydrogenpolysiloxane and an aliphatic unsaturated group-containing compound with a viscosity at 25 ° C of 100 cS or less. It is obtained by addition polymerization in the presence or absence of oil and / or polyhydric alcohol, but it is necessary that at least one of the organohydrogenpolysiloxane and the aliphatic unsaturated group-containing compound contains a polyoxyalkylene group. .

As a combination of the organohydrogenpolysiloxane and the compound containing an aliphatic unsaturated group, for example, first, one is an organohydrogenpolysiloxane represented by the above general formula (1) containing a polyoxyalkylene group. R ¹ is bonded to an alkyl group such as a methyl group, an ethyl group, a propyl group or a butyl group, an aryl group such as a phenyl group or a tolyl group, an aralkyl group such as a benzyl group or a phenethyl group, or a carbon atom of these groups The same or different unsubstituted or substituted alkyl group having 1 to 18 carbon atoms selected from chloromethyl group, trifluoropropyl group, etc. aralkyl group or a halogenated hydrocarbon group, represented by R ² is the formula _{C n H 2n O (C 2} H 4 O) d (C 3 H 6 O) e -R 3 And R ³ is a hydrogen atom or a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group,
Heptyl group, a saturated aliphatic having 1 to 10 carbon atoms such as octyl hydrocarbon group or the formula ^{- (CO) -R 5 (R} 5 is 1 to carbon atoms
5 is a saturated aliphatic hydrocarbon group), d is an integer of 2 to 200,
e is an integer of 0 to 200, d + e is an integer of 3 to 200, and n is 2 to 6. Furthermore, it is preferable that d / e ≧ 1 in order to sufficiently disperse water in the paste composition obtained by kneading the obtained polymer with silicone oil under shearing force.

When a is less than 1.0, the obtained polymer does not swell sufficiently in the silicone oil, and when a is more than 2.5, the obtained polymer is kneaded with the silicone oil under shearing force. Since the water content cannot be sufficiently dispersed in the paste-like composition obtained as above, 1.0 ≦ a ≦ 2.5, preferably 1.0 to 2.0, and b is obtained when it is less than 0.001. Water was not sufficiently dispersed in the paste composition obtained by kneading the polymer with silicone oil under shearing force,
If the value is larger than 0.001 ≦ b ≦ 1.0, preferably 0.005 to 1.0, the swelling property of the obtained polymer in silicone oil is not sufficient.
If it is less than 3, it becomes difficult to form a three-dimensional structure in a polymer obtained by addition polymerization, so that the viscosity of the silicone oil is poor. If it is more than 1.0, crosslinking of the three-dimensional structure formed by addition polymerization is performed. Since the density becomes too high, the silicone oil cannot be stably held, so that 0.001 ≦ c ≦ 1.0, preferably 0.005 to
1.0.

[0012]

It is also possible to use a combination of an organohydrogenpolysiloxane represented by the general formula (1) and a polyoxyalkylene represented by the general formula (A).

Another combination of the organohydrogenpolysiloxane represented by the general formula (1) and the compound containing an aliphatic unsaturated group is, for example, an organohydrogenpolysiloxane represented by the general formula (2). When R ¹ is the same as described above and f is less than 1.0, the swellability of the obtained polymer in silicone oil is not sufficiently obtained,
If it is larger than 3.0, it becomes difficult to form a three-dimensional structure in the polymer obtained by addition polymerization, and the viscosity of the silicone oil is poor, so that 1.0 ≦ f ≦ 3.
If it is 0, preferably 1.0 to 2.5, and if g is less than 0.001, it becomes difficult to form a three-dimensional structure in the polymer obtained by addition polymerization. If the ratio is larger than 1.5, the crosslinking density of the three-dimensional structure formed by the addition polymerization becomes too high, and the polymer obtained does not hold the silicone oil stably, so that 0.001 ≦ g ≦ 1. 5, preferably 0.00
5 to 1.0 and a polyoxyalkylene represented by the general formula (A), wherein h is 2 to 200, preferably 5 to 100, and i is 0 to 200, preferably 0 to 100.
In order to sufficiently disperse water in the obtained polymer, h / i ≧ 1 is preferred, and m is 2 to 6, preferably a mixture of 3 to 6 (hereinafter abbreviated as mixture-II). Do).

In the present invention, the low-viscosity silicone oil having a viscosity at 25 ° C. of 100 cS or less used in addition polymerization of the mixture-II includes linear or branched methylpolysiloxane and methylphenylpolysiloxane. Examples thereof include siloxane, ethyl polysiloxane, ethyl methyl polysiloxane, ethyl phenyl polysiloxane, and cyclic dimethyl polysiloxane such as octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane. The viscosity at 25 ° C. may be 100 cS or less, and particularly preferably 50 cS or less. These may be used alone or as a mixture of two or more.

Examples of the polyhydric alcohol include ethylene glycol, 1,3-butylene glycol, propylene glycol, dipropylene glycol, glycerin, diglycerin and the like. These may be used alone or in combination of two or more. You may.

The amount of the low-viscosity silicone oil and / or polyhydric alcohol is preferably 3 to 200 parts by weight based on 100 parts by weight of the mixture-II. When the addition polymerization is carried out in the presence of a low-viscosity silicone oil and / or a polyhydric alcohol, a polymer containing these is obtained, which is compared with that obtained by addition polymerization in the absence of these. Thus, it shows high swelling properties with silicone oil and excellent viscosity.

The addition polymerization of the mixture II can be carried out by, for example, chloroplatinic acid, alcohol-modified chloroplatinic acid or chloroplatinic acid.
In the presence of a known platinum compound catalyst or rhodium compound catalyst such as a vinyl siloxane complex, room temperature or 50 to
What is necessary is just to make it react under heating of 150 degreeC.

In this case, an organic solvent may be used if necessary, for example, aliphatic alcohols such as methanol, ethanol, 2-propanol and butanol, aromatic hydrocarbons such as benzene, toluene and xylene, and n-pentane. And aliphatic or alicyclic hydrocarbons such as n-hexane and cyclohexane, and halogenated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, trichloroethane, trichloroethylene and fluorinated hydrocarbons.

After 100 to 100 parts by weight of the thus obtained silicone polymer is dispersed and mixed with 5 to 1,000 parts by weight, preferably 20 to 500 parts by weight of a low-viscosity silicone oil, the mixture is kneaded under a shearing force. A paste-like uniform silicone composition is obtained.

When the amount of the silicone polymer is less than the above range, a stable and good gel structure cannot be maintained, and when the amount exceeds the above range, the weight is felt on the skin, and the usability and feeling of use deteriorate. Therefore, it is not preferable.

The silicone oil used here is linear,
It may be branched, for example, methylpolysiloxane, methylphenylpolysiloxane, ethylpolysiloxane, ethylmethylpolysiloxane, ethylphenylpolysiloxane, or cyclic such as octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane. Examples thereof include dimethylpolysiloxane, and these may be used alone or in a mixture of two or more.

The paste-like silicone composition (a) thus obtained contains 10 to 10 parts of the oil phase component used in the present invention.
It is preferable to mix 90% by weight (hereinafter simply referred to as%).

As the silicic anhydride of (b) used in the present invention, commercially available Esil® 200, Esil® 300
(Both manufactured by Degussa Co., Ltd.), and as the hydrophobized silica, similarly, commercially available Cabosil TS-530 (trimethylsiloxylated silica, manufactured by Cabot Co.), Erogyl R
Preferable examples include -972 (dimethylsiloxylated silica, manufactured by Degussa), Ezril R-805 (octylsiloxylated silica, ibid.), And Ezilol R-202 (silicone oil-treated silica, ibid.).

Silica anhydride and / or hydrophobized silica (b)
Is 0.01 to 10% in the oil phase component used in the present invention.
It is preferable to mix them. If it exceeds 10%, it is not preferable because the feeling in use is deteriorated and the stability over time is deteriorated.

In the oil phase component used in the present invention, in addition to the above (a) and (b), oil agents used in ordinary emulsified compositions for cosmetics are blended within a range that does not lack the uniformity of the oil phase. can do. Such oils include natural animal and vegetable oils,
Any of synthetic oils can be used, and specifically, liquid paraffin, liquid such as squalane, paste or solid hydrocarbon, wax, higher fatty acid, higher alcohol,
Examples include esters, glycerides, and silicone oils.

The oil phase component is blended in the water-in-oil type cosmetic of the present invention in an amount of 10 to 99%. If it is less than 10%, it is difficult to make the cosmetic a water-in-oil type, and if it exceeds 99%, the feel of the cosmetic itself deteriorates, which is not preferable.

The aqueous phase component used in the present invention contains water as a main component and contains various water-soluble components, and is contained in the water-in-oil type cosmetic of the present invention in an amount of 1 to 90%. Is preferred. If it is less than 1%, it is difficult to obtain the characteristics with water, and if it exceeds 90%, it is difficult to obtain a water-in-oil type.

The water-in-oil type cosmetic of the present invention contains, in addition to the above essential components, commonly used aqueous and oily components such as humectants, preservatives, antioxidants, ultraviolet absorbers, cosmetic components, fragrances, Water-soluble polymers, extender pigments, coloring pigments, photovoltaic pigments, organic powders, hydrophobized pigments, tar pigments, etc.
It can be blended within a range that does not impair the effects of the present invention.

The water-in-oil type cosmetic of the present invention can be produced by emulsification according to a usual method except that the paste-like silicone composition (a) is prepared and used in advance, and is suitably used as a cosmetic base or the like. Can be used.

[0031]

Industrial Applicability The water-in-oil type cosmetic of the present invention has remarkably improved stability over time without deteriorating the excellent feeling of use (freshness, non-stickiness, smoothness, etc.).

[0032]

EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples. First, as shown in Reference Examples 1 to 10 below, paste-like silicone compositions were sequentially manufactured.

Reference Example 1 (A) Average composition formula (3) in a reactor

[0034]

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68 g of an organohydrogenpolysiloxane, 100 g of ethanol, and the average composition formula is C
H ₂ = CHCH ₂ O (C ₂ H ₄ O) _{10 A} solution of 32 g of polyoxyalkylene represented by CH ₃ and 3% by weight of chloroplatinic acid in ethanol.
After charging 3 g and stirring for 2 hours while maintaining the internal temperature at 70 to 80 ° C., the solvent was removed under reduced pressure.

[0036]

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An organohydrogenpolysiloxane represented by the following formula was obtained. (B) In a reactor, 100 g of the organohydrogenpolysiloxane obtained in (a), 100 g of ethanol and the average composition formula (5)

[0038]

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28.9 g of a dimethylvinylsilyl-terminal-blocked dimethylpolysiloxane and 0.3 g of a 3% by weight chloroplatinic acid solution in ethanol were charged.
After stirring at 80 ° C. for 2 hours, the solvent was removed under reduced pressure to obtain an elastic polymer.

After dispersing and mixing 20 parts by weight of this polymer and 80 parts by weight of dimethylpolysiloxane (viscosity 6 cS),
The mixture was sufficiently kneaded with a three-roll mill under a shearing force to prepare a silicone composition. This composition had a smooth feel and was a uniform paste-like composition having a viscosity of 32,000 cP.

Reference Example 2 In a reactor, the average composition formula (6)

[0042]

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100 g of an organohydrogenpolysiloxane represented by the formula, 62 g of ethanol, and the average composition formula is C
23.6 g of polyoxyalkylene represented by H ₂ = CHCH ₂ O— (C ₂ H ₄ O) ₁₀ —CH ₂ CH = CH ₂ (7) and 0.3 g of a 3 wt% chloroplatinic acid ethanol solution were charged, 70-80 ° C inside temperature
And stirred for 2 hours, then the solvent was removed under reduced pressure,
A granular polymer was obtained.

After 33 parts by weight of the obtained polymer and 67 parts by weight of dimethylpolysiloxane (viscosity: 6 cS) are dispersed and mixed, the mixture is sufficiently kneaded under a shearing force by a three-roll mill and swollen to prepare a silicone composition. did. This composition had a smooth feel and was a uniform paste-like composition having a viscosity of 24,800 cP.

Reference Example 3 In a reactor, the average composition formula (3) obtained in (A) of Reference Example 1 was used.
Organohydrogenpolysiloxane 1 represented by
00g, 75 g of ethanol, 49.4 of the polyoxyalkylene represented by the average composition formula (7) used in Reference Example 2.
g and 0.3 g of an ethanol solution containing 3% by weight of chloroplatinic acid were stirred. The mixture was stirred for 2 hours while maintaining the internal temperature at 70 to 80 ° C., and then the solvent was removed under reduced pressure to obtain a granular polymer.

After 33 parts by weight of this polymer and 67 parts by weight of dimethylpolysiloxane (viscosity 6 cS) were dispersed and mixed,
The mixture was sufficiently kneaded with a three-roll mill under a shearing force and swollen to prepare a silicone composition. The composition had a smooth feel and was a uniform paste with a viscosity of 10,600 cP.

Reference Example 4 In a reactor, the average composition formula (8)

[0048]

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100 g of an organohydrogenpolysiloxane represented by the following formula, 57 g of ethanol, 13.5 g of the polyoxyalkylene represented by the average composition formula (7) used in Reference Example 2, and 0.3 g of a 3 wt% chloroplatinic acid solution in ethanol 0.3 g After stirring for 2 hours while maintaining the internal temperature at 70 to 80 ° C., the solvent was removed under reduced pressure to obtain a granular polymer.

After 20 parts by weight of this polymer and 80 parts by weight of dimethylpolysiloxane (viscosity: 6 cS) were dispersed and mixed, the mixture was sufficiently kneaded by a three-roll mill under a shearing force and swelled to prepare a silicone composition. The composition had a smooth feel and was a uniform paste having a viscosity of 22,800 cP.

REFERENCE EXAMPLE 5 In a reactor, 100 g of the organohydrogenpolysiloxane of the average composition formula (6) used in Reference Example 2 and 103 g of ethanol were used. The polymer represented by the average composition formula (7) used in Reference Example 2 was used. 23.6 g of oxyalkylene, dimethylpolysiloxane having a viscosity of 6 cS at 25 ° C.
4 g and 0.3 g of a 3 wt% chloroplatinic acid ethanol solution
After stirring for 2 hours while maintaining the internal temperature at 70 to 80 ° C., the solvent was removed under reduced pressure to obtain a silicone polymer.

Then, 100 parts by weight of the silicone polymer was dispersed and mixed with 100 parts by weight of dimethylpolysiloxane having a viscosity of 6 cS at 25 ° C., and then kneaded sufficiently with a three-roll mill under a shearing force to swell to form a silicone composition. A product was made. This was a uniform paste-like composition having a smooth feel and a viscosity of 82,800 cP.

Reference Example 6 The organohydrogenpolysiloxane 100 represented by the average composition formula (8) used in Reference Example 4 was placed in a reactor.
g, ethanol 95 g, polyoxyalkylene 13.5 g of the average composition formula (7) used in Reference Example 2, dimethylpolysiloxane 75.7 having a viscosity of 5 cS at 25 ° C.
g and 3 g of chloroplatinic acid in 0.3 g of an ethanol solution were charged and treated in the same manner as in Reference Example 5 to produce a polymer.

Next, 100 parts by weight of this polymer and 200 parts by weight of octamethylcyclotetrasiloxane were dispersed and mixed, and then sufficiently kneaded under a shearing force by a three-roll mill to prepare a silicone composition which was swollen. This was a uniform paste-like composition having a smooth feel and a viscosity of 44,000 cP.

Reference Example 7 In a reactor, an average composition formula (9)

[0056]

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100 g of an organohydrogenpolysiloxane and 74 g of ethanol represented by the following formula:
CH ₂ = CHCH ₂ O (C ₂ H ₄ O) ₃₀ CH ₂ CH = CH ₂ 18.5 g of polyoxyalkylene represented by (10), 29.6 g of dimethylpolysiloxane having a viscosity of 6 cS at 25 ° C., and platinum chloride 0.3 g of an ethanol solution containing 3% by weight of acid was charged,
A polymer was prepared in the same manner as in Reference Example 5.

Next, 100 parts by weight of this polymer and 200 parts by weight of phenyltris (trimethylsiloxy) silane were dispersed and mixed, and then kneaded sufficiently with a three-roll mill under a shearing force to prepare a silicone composition which was swollen. . This was a uniform paste-like composition having a smooth feel and a viscosity of 25,500 cP.

Reference Example 8 In a reactor, the average composition formula (4) obtained in (a) of Reference Example 1 was used.
Organohydrogenpolysiloxane 1 represented by
00 g, ethanol 72 g, average composition formula (11)

[0060]

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28.9 g of dimethylpolysiloxane end-blocked by a dimethylvinylsilyl group represented by the following formula:
14.3 g of dimethylpolysiloxane having a viscosity of 30 cS at 5 ° C. and 0.3 g of an ethanol solution containing 3% by weight of chloroplatinic acid were charged and treated in the same manner as in Reference Example 5 to produce a polymer.

Then, 22.2 parts by weight of this polymer and 25 ° C.
Dimethylpolysiloxane 7 having a viscosity of 6 cS
Then, 7.8 parts by weight were dispersed and mixed, and then sufficiently kneaded with a three-roll mill under a shearing force to prepare a silicone composition.
It has a smooth feel and a viscosity of 48,000 cP
Was a uniform paste-like composition.

REFERENCE EXAMPLE 9 100 g of the organohydrogenpolysiloxane of the average composition formula (6) used in Reference Example 2 and 103 g of ethanol used in Reference Example 2, and the polyoxyalkylene of the average composition formula (7) used in Reference Example 2 23.6 g, 82.4 g of 1,3-butylene glycol and 0.3 g of an ethanol solution containing 3% by weight of chloroplatinic acid were charged, and the mixture was stirred for 2 hours while maintaining the internal temperature at 70 to 80 ° C. After removing
A silicone polymer was obtained.

Next, 100 parts by weight of this silicone polymer was dispersed and mixed with 100 parts by weight of dimethylpolysiloxane having a viscosity of 50 cS at 25 ° C., and the mixture was kneaded well with a three-roll mill under a shearing force and swollen to obtain a silicone composition. A product was made. This was a uniform paste-like composition having a smooth feel and a viscosity of 65,000 cP.

Reference Example 10 In a reactor, the average composition formula (12)

[0066]

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100 g of an organohydrogenpolysiloxane represented by the formula, 160 g of ethanol, and the average composition formula is CH ₂ = CHCH ₂ O (C ₂ H ₄ O) _30- (C ₃ H ₆ O) ₁₀ -CH ₂ CH = CH ₂ (1
34.7 g of polyoxyalkylene represented by 3), 20 g of ethylene glycol, and a viscosity at 25 ° C. of 10 cS
Reference Example 5 was charged with 13.7 g of dimethylpolysiloxane and 0.3 g of a 3% by weight ethanol solution of chloroplatinic acid.
A polymer was prepared in the same manner as described above.

Next, 100 parts by weight of this polymer and 300 parts by weight of decamethylcyclopentasiloxane were dispersed and mixed, and then sufficiently kneaded under a shearing force by a three-roll mill to swell to prepare a silicone composition. This was a uniform paste-like composition having a smooth feel and a viscosity of 52,000 cP.

Examples 1 and 2 and Comparative Example 1 (Water-in-Oil Cream) A water-in-oil cream having the composition shown in Table 1 below was produced by the following method.

(Manufacturing method) The following steps A, B and C are performed. A: (1) to (4) are mixed. B: Heat (5) to (8) and mix uniformly. C: B is added to A with stirring and cooled.

The obtained water-in-oil cream was evaluated for the stability over time (at 40 ° C., after one month and three months) and the feeling of use (freshness and spreadability) according to the following evaluation criteria. The results are shown in Table 1.

(Evaluation criteria for stability over time) A: good without change. ：: Slight gelation was observed. Δ: Slight drainage is observed. ×: Drainage or separation is observed.

(Evaluation Criteria for Usability) A: Very good. ：: Good. Δ: Neither can be said. ×: Bad.

[0074]

[Table 1]

As is evident from the results shown in Table 1, the product of the present invention has remarkably improved stability over time, and does not impair the feeling of use improved by blending the paste-form silicone composition. Met.

Example 3 (Cream eyeshadow) A cream eyeshadow having the following composition was produced by the following method.

(Manufacturing method) The following steps A and B are performed. A: After mixing (1) to (4), add (5) to (8) and uniformly disperse. B: (9), (10) and (12) are dissolved by heating. C: B is mixed with A while stirring, and (11) is added and cooled.

[0078]

Table 2 Composition (% by weight) (1) Paste silicone composition (obtained in Reference Example 9) 10 (2) Dimethylpolysiloxane (6 cS) 10 (3) Glyceryl trioctanoate 20 (4) Hydrophobization Silica (Ezil R-972) 0.3 (5) Titanium mica 5 (6) Titanium mica titanium 5 (7) Mica 3 (8) Color pigment 2 (9) 1,3-butylene glycol 10 (10) Preservative Appropriate amount (11) Fragrance Appropriate amount (12) Remaining purified water

Example 4 (Sunblock Cream) A sunblock cream having the following composition was produced by the following method.

(Manufacturing method) The following steps A and B are used. A: (1) to (5) are uniformly mixed. B: (7) to (9) are dissolved by heating. C: B is mixed with A with stirring, and (6) is added and cooled.

[0081]

Table 3 Composition (% by weight) (1) Paste silicone composition (obtained in Reference Example 6) 15 (2) Methylphenylpolysiloxane 5 (3) Cetyl 2-ethylhexanoate 5 (4) Hydrophobic Silica (Cabozil TS-530) 0.5 (5) UV absorber 5.5 (6) Fragrance 0.5 (7) 1,3-butylene glycol 10 (8) Preservative proper amount (9) Purified water balance

The water-in-oil type cosmetics of the present invention obtained in Examples 3 and 4 were refreshing and non-sticky and at the same time had extremely good stability over time.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kenichi Isobe 1-10 Hitomi, Matsuida-machi, Usui-gun, Gunma Prefecture Shin-Etsu Chemical Co., Ltd. Silicone Electronic Materials Research Laboratory (56) References JP-A-3-72942 ( JP, A) JP-A-60-228405 (JP, A) JP-A-2-43263 (JP, A) JP-A-64-30633 (JP, A) JP-A-63-250311 (JP, A) Japanese Unexamined Patent Application Publication No. Hei 5-272932 (JP, A) Japanese Unexamined Patent Application Publication No. H5-262987 (JP, A) Japanese Unexamined Patent Publication No. Hei 5-178733 (JP, A) Japanese Unexamined Patent Publication No. Heisei 5-17834 (JP, A) JP-A-6-40848 (JP, A) JP-A-5-140320 (JP, A) JP-A-55-78055 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB Name) A61K 7/00-7/50

Claims (1)

(57) [Claims] (A) and (b); (a) a general formula (1) R ¹ _a R ² _b H _c SiO _{(4-abc) / 2} (1) wherein R ¹ is the same or A different kind of unsubstituted or substituted alkyl group having 1 to 18 carbon atoms, aryl group, aralkyl group or halogenated hydrocarbon group, R ² is represented by the general formula C _n H _2n O (C ₂ H ₄ O) _d (C ₃
H ₆ O) _e R ³ [where R ³ is a hydrogen atom or a saturated aliphatic hydrocarbon group having 1 to 10 carbon atoms or — (CO) —R ⁵ (R ⁵ is
To 5 saturated aliphatic hydrocarbon groups), d is 2 to
An integer of 200, e is an integer of 0 to 200, and d + e is 3 to 2
An integer of 00, n represents 2 to 6], a is 1.0 ≦ a ≦ 2.5, b is 0.001 ≦ b ≦ 1.0, and c is 0.001. ≦ c ≦ 1.0
And / or the general formula (2) R ¹ _f H _g SiO _{(4-fg) / 2} (2) (wherein R ¹ is the same as above, and f is 1 0.0 ≦ f ≦ 3.0,
g represents 0.001 ≦ g ≦ 1.5, respectively) and C _m H _2m-1 O (C ₂ H ₄ O) _h (C ₃ H ₆ O) ) _i C _m H _2m-1 (A) (where h is an integer of 2 to 200, i is an integer of 0 to 200, h + i is an integer of 3 to 200, and m is 2 to 6). 100 parts by weight of a silicone polymer obtained by addition-polymerizing a polyoxyalkylene obtained in the presence or absence of a low-viscosity silicone oil having a viscosity at 25 ° C. of 100 cS or less and / or a polyhydric alcohol, and a low-viscosity silicone oil A paste-like silicone composition obtained by kneading 5 to 1000 parts by weight under a shearing force; (b) an oil phase component containing silicic anhydride and / or hydrophobized silica and an aqueous phase component. And water-in-oil cosmetics.