JPH10330213A - Oily cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an oily cosmetic smooth in feeling when applied, with fit feeling, and excellent in makeup sustainability, by including a specific polysiloxane-polyxyalkylene copolymer and hydrophobicized powder. SOLUTION: This oily cosmetic is obtained by including (A) 0.01-50.0 wt.% of a polysiloxane-polyoxyalkylene copolymer of the formula (R<1> to R<4> are each a 1-32C alkyl; (a) is 1-1,000; (b) and (c) are each 0-1,000; (d) is 1-100; (x) and (y) are each 1-8; wherein excepting (b)=(c)=0) (pref. in the formula, R<1> to R<4> are each methyl; (a) is 5-50; (b) is 10-50; (c)is 0-30; (d) is 2-10; (x) and (y) are each 2-4) and (B) 2.0-98.0 wt.% of hydrophobicized powder prepared by hydrophobicizing (pref. silicone treatment) inorganic powder, organic powder, metallic pigment, etc., or any powder (e.g. talc, titanium dioxide, iron oxide, mica titanium).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil-based cosmetic, and more particularly, to an oil-based cosmetic which has a smooth feeling of use, a fit, and a long lasting makeup.

[0002]

2. Description of the Related Art Conventionally, oily cosmetics such as foundations, lipsticks, eye shadows, eyeliners, and the like have stickiness when used, and have poor makeup lasting when applied to the skin. There were drawbacks.
Attempts have been made to blend spherical powder and powder that has been subjected to surface treatment such as silicone treatment, etc., in order to obtain a smooth feeling of use. They tended to be poor. Attempts have also been made to improve the cosmetic durability by adding a film-forming agent such as a polymer, but there is a drawback that the feeling of the film remains after the film is formed and the usability is impaired. Accordingly, an object of the present invention is to provide an oily cosmetic which has the above-mentioned drawbacks, has a smooth feeling of use, has a fit, and has excellent cosmetic durability.

[0003]

Means for Solving the Problems In view of such circumstances, the present inventors have conducted intensive studies and as a result, have found that specific polysiloxane-
By combining the polyoxyalkylene copolymer and the hydrophobized powder, it was found that an oil-based cosmetic having characteristics of smooth use, fit, and excellent durability was obtained. It was completed.

[0004] That is, the present invention is an oily cosmetic comprising the following components (A) and (B). (A) General formula (1):

[0005]

Embedded image

Wherein R ^{1 to} R ⁴ are the same or different alkyl groups having 1 to 32 carbon atoms, a is a number of 1 to 1000, b,
c is a number of 0 to 1000, d is a number of 1 to 100,
x and y each represent a number of 1 to 8. Where b = c = 0
is not. A) a polysiloxane-polyoxyalkylene copolymer represented by the formula: (B) Hydrophobized powder

In the polysiloxane-polyoxyalkylene copolymer used in the present invention, R ^{1 to} R ⁴ are the same or different alkyl groups having 1 to 32 carbon atoms, preferably an alkyl group having 1 to 10 carbon atoms. It is. In particular,
Examples thereof include a methyl group, a propyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, and a decyl group. From the viewpoint of reducing stickiness, a methyl group is most preferred. A represents a number of 1 to 1000, preferably a number of 5 to 50. b and c are each 0 to 1
000, preferably b = 10 to 50, c = 0
Shows the number of ~ 30. The proportion of the siloxane unit in the total of the siloxane unit (a) and the polyoxyalkylene unit (b + c) is preferably from 5 to 90% by weight. d shows the number of 1-100, Preferably it shows the number of 2-10. x and y each represent a number of 1 to 8, preferably x = 2 to 4, and y = 2 to 4.

Among the polysiloxane-polyoxyalkylene copolymers of the general formula (1), the most preferred is R ¹
To R ⁴ = methyl group, a = 5 to 50, b = 10 to 50, c
= 0 to 30, d = 2 to 10, x = 2 to 4, and y = 2 to 4.

The amount of the polysiloxane-polyoxyalkylene copolymer used in the present invention is 0.01 to 50.0% by weight in the whole composition from the viewpoints of usability and longevity.
In particular, it is preferable to add 0.1 to 10.0% by weight.
If the content is less than 0.01% by weight, a sufficient effect cannot be obtained.
If it exceeds 0% by weight, the feeling of use is inferior.

The polysiloxane-polyoxyalkylene copolymer of the present invention comprises a polyoxyalkylene compound having a double bond group at a terminal and a siloxane having a hydrosilyl group terminal which reacts with a reactive terminal group of the polyoxyalkylene compound. It can be produced by reacting with a compound. Examples of the polysiloxane-polyoxyalkylene copolymer of the present invention include those commercially available under the trade name ABN Silwet series manufactured by Nippon Unicar Co., Ltd.

The hydrophobized powder of the component (B) used in the present invention is a powder obtained by hydrophobizing an arbitrary powder such as an inorganic powder, an organic powder and a metal pigment. More specifically, talc, mica, kaolin, calcium carbonate, zinc white, titanium dioxide, red iron oxide, yellow iron oxide, black iron oxide, ultramarine, bismuth oxychloride, chromium hydroxide, mica titanium, aluminum oxide, cobalt, navy blue , Carbon black, magnesium silicate and the like are subjected to a hydrophobic treatment.

The types of hydrophobizing treatment include dextrin fatty acid ester treatment, metal soap treatment such as calcium stearate, silicone treatment such as alkyl hydrogen polysiloxane and high-viscosity silicone oil, fluorine treatment such as perfluoropolyether fluorine and the like. Treatment with an organic compound such as benzylidene sorbitol is exemplified. Of these, silicone treatment is particularly preferred. As the method of hydrophobizing treatment using these hydrophobizing agents, conventionally known methods may be used, for example, Japanese Patent Application Nos. 62-205165, 61-58499, and 56-43.
No. 264, Japanese Unexamined Patent Publication No. 60-163973, Japanese Unexamined Patent Publication No. 63-113081, and Japanese Unexamined Patent Publication No. 63-11308.
No. 2, JP-A-63-168346, and the like.

The total amount of the hydrophobized powder to be incorporated in the oily cosmetic according to the present invention is not particularly limited from the effects of the present invention, but from the viewpoint of the dosage form and the usability of the oily cosmetic, 2.0.
-98.0% by weight, especially 5.0-90.0% by weight is preferred.

[0014] In addition to the above essential components, the cosmetic of the present invention usually contains cosmetics and cosmetics as long as the effects of the present invention are not impaired.
It is possible to mix components used in quasi-drugs. As such components, for example, as an oil component, silicone wax, decamethylcyclopentasiloxane,
Silicone oils such as methylpolysiloxane and methylphenylpolysiloxane; fluorinated oils such as fluorocarbons; ester oils such as cetyl isooctanoate, glyceryl trihexanoate, and isopropyl myristate;
Hydrocarbon oils such as petrolatum, liquid paraffin and squalane; natural animal and vegetable oils such as castor oil, olive oil, camellia oil, jojoba oil, and lanolin; waxes such as higher alcohols, ceresin, microcrystalline wax, carnauba wax, candelilla wax and the like. Can be

Examples of the humectant include polyhydric alcohols such as dynamite glycerin, 1,3-butylene glycol, dipropylene glycol and propylene glycol;
Water-soluble polymers such as hyaluronic acid and chondroitin sulfate;
Sodium lactate, sodium citrate, sodium glutamate, 2
-Salts such as sodium pyrrolidonecarboxylate, salt, and magnesium chloride.

In addition to the above, a surfactant, a dispersant,
Powders, preservatives, fragrances, drugs, thickeners and the like other than those described above can also be added.

The oily cosmetic of the present invention can be manufactured and used according to a conventional method, for example, in the form of lipstick, foundation, eye shadow, blusher, lip balm and the like.

[0018]

Next, the present invention will be described in detail with reference to examples. The present invention is not limited by this. In the examples, the amounts are all by weight. Prior to the examples, an evaluation method will be described.

<Evaluation Method of Usability> Using the panel of 20 women, the product of each example and the product of the comparative example were used to evaluate the spread (smoothness), fit, and long-lasting of the skin when using the product of the comparative example. Sensory evaluation was performed based on the following criteria.

[0020]

[Table 1] {Evaluation items 1 2 3 4 5} ─────────────────────────── Smoothness Slightly poor Normal Slightly good Good Fit not somewhat Slightly normal Slightly certain Makeup poor Slightly poor Normal Somewhat good Good ─────────────────────────────────

<Display of evaluation results> ：: 4.5 or more ：: 3.5 or more, less than 4.5 Δ: 2.5 or more, less than 3.5 ×: 1.5 or more, less than 2.5 XX : Less than 1.5

Examples 1 and 2 and Comparative Example 1 Powdery foundations were prepared according to the formulations shown in Table 2. The obtained powdery foundation was evaluated by the method described above. Table 2 also shows the results.

[0023]

[Table 2] 例 Example Comparative example ─────── ── ２ 1 2 1 ─────────────────────────────────── (1) Polysiloxane -Polyoxyalkylene copolymer ^{* 1)} 0.2 1.0-(2) Silicone-treated titanium oxide 10.0 10.0 10.0 (3) Silicone-treated talc 10.0 10.0 10.0 (4) Silicone-treated phlogopite 20.0 20.0 20.0 (5) Sericite 33.0 33.0 33.0 (6) Siliconized red iron oxide 0.5 0.5 0.5 (7) Siliconized yellow iron oxide 2.0 2.0 2.0 (8) Siliconized black iron oxide 0.1 0.1 0.1 (9) Spherical cellulose powder 10.0 10.0 10.0 (10) Dimethylpolysiloxane 4.0 4.0 4.0 (11) Methyl hydrogen polysiloxane 3.0 3.0 3.0 (12) Squalane 100% (13) Liquid paraffin 3.0 3.0 3.0 (14) D Leparaben 0.2 0.2 0.2 (15) Antioxidant 0.2 0.2 0.2 (16) Fragrance 0.1 0.1 0.1 ────────────────────────────── ───── Smoothness ○ ○ △ Fit feeling ○ ◎ × Make-up lasting ○ ◎ × ────────────────────────────── ─────

* 1): R ^{1 to} R ⁴ = methyl group, a = 8, b = 40, c = 2
0, d = 2, x = 3, y = 3

(Production method) (2) to (9) and (14) are mixed with a blender (powder part). (1), (10) to (13), (15) and (16) are uniformly dissolved (oil phase). The oil phase is added to the powder, mixed uniformly, then pulverized with a pulverizer, passed through a sieve and formed into a middle plate.

As is evident from Table 2, the powdery foundation of the present invention is smooth, has a good fit, and is excellent in long-lasting makeup.

Examples 3 and 4, Comparative Example 2 A powdery foundation was prepared according to the formulation shown in Table 3. The obtained powdery foundation was evaluated by the method described above. Table 3 also shows the results.

[0028]

[Table 3] ────────────────────────────────── Example Comparative example ──────── ──── ４ ２ (1) Polysiloxane-polyoxyalkylene Copolymer ^{* 2)} 0.5 4.0 − (2) Textin palmitic acid treated talc 50.0 50.0 50.0 (3) Textrin palmitic acid treated kaolin 20.0 20.0 20.0 (4) Textrin palmitic acid treated zinc oxide 7.0 7.0 7.0 (5) Textrin Titanium oxide treated with palmitic acid ester 3.8 3.8 3.8 (6) Red iron oxide treated with dextrin palmitic acid ester 1.0 1.0 1.0 (7) Yellow iron oxide treated with dextrin palmitic acid ester 2.9 2.9 2.9 (8) Squalane Amount of 100 (9) Liquid paraffin 3.0 3.0 3.0 (10) Dimethyl polysiloxane 2.0 2.0 2.0 (11) Ethyl paraben 0.4 0.4 0.4 (12) Antioxidant 0.2 0.2 0.2 (13) Fragrance 0.1 0.1 0.1 ─────────────── ─────────────────── Smoothness ◎ ◎ ○ Fit feeling ○ ◎ × Make-up lasting ○ ◎ × ──────────────── ──────────────────

* 2): R ^{1 to} R ⁴ = methyl group, a = 18, b = 20, c =
6, d = 3, x = 4, y = 4

(Preparation method) (2) to (7) and (11) are mixed with a blender (powder part). (1), (8) to (10), (12) and (13) are uniformly dissolved (oil phase). The oil phase is added to the powder, mixed uniformly, then pulverized with a pulverizer, passed through a sieve and formed into a middle plate.

As is evident from Table 3, the powdery foundation of the present invention has a smooth, fit feeling,
It turns out that the makeup is excellent.

Examples 5 and 6, Comparative Examples 3 and 4 Lipsticks were prepared according to the formulations shown in Table 4. The obtained lipstick was evaluated by the method described above. Table 5 shows the results.

[0033]

[Table 4] 例 Example Comparative example ────── ──── ── 5 6 3 4 ──────────────────────────────── (1) Polysiloxane-polyoxyalkylene copolymer ^{* 3)} 3.0 10.0-10.0 (2) Siliconized titanium oxide 5.0 5.0 5.0-(3) Siliconized red No. 201 0.6 0.6 0.6-(4) Siliconized red No. 202 1.0 1.0 1.0-(5) Siliconized red 223 0.2 0.2 0.2-(6) Titanium oxide---5.0 (7) Red No. 201---0.6 (8) Red 202---1.0 (9) Red 223---0.2 (10) Candelilla wax 9.0 9.0 9.0 9.0 (11) Solid paraffin 8.0 8.0 8.0 8.0 (12) Beeswax 5.0 5.0 5.0 5.0 (13) Carnauba 5.0 5.0 5.0 5.0 (14) Lanolin 11.0 11.0 11.0 11.0 (15) Castor oil 1 Amount to be 0 (16) Cetyl 2-ethylhexanoate 20.0 20.0 20.0 20.0 (17) Isofluoromyristate 10.0 10.0 10.0 10.0 (18) Antioxidant 0.2 0.2 0.2 0.2 (19) Fragrance 0.1 0.1 0.1 0.1 ──── ────────────────────────────

* 3): R ^{1 to} R ⁴ = methyl group, a = 16, b = 21, c = 1
6, d = 2, x = 3, y = 3

(Preparation method) (2) to (4) are added to a part of castor oil and treated with a roller (pigment part). Red No. 223 is dissolved in a part of castor oil (dye part). After the other components are mixed and melted by heating, the pigment portion and the dye portion are added, and the mixture is uniformly dispersed with a homomixer. After dispersion, the mixture is poured into a mold, rapidly cooled, and formed into a stick.

[0036]

[Table 5] 例 Example Comparative example ────── ──── ── 5 6 3 4 滑 ら か Smoothness ○ ○ △ △ Fit ○ ○ × △ Makeup ○ ◎ × × ────────────────────────────────

As is clear from Table 5, the lipstick of the present invention is smooth, has a good fit, and is excellent in long-lasting makeup.

Example 7 Powdery Foundation (1) Polysiloxane-polyoxyalkylene copolymer 0.2% by weight (R ^{1 to} R ⁴ = CH ₃ , a = 38, b = 10, c = 8, d = 7 , X = 4, y = 4) (2) Fluorine treated titanium oxide 10.0 (3) Fluorine treated talc 10.0 (4) Fluorine treated phlogopite 20.0 (5) Sericite 33.0 (6) Fluorine Treated red iron oxide 0.5 (7) Fluorinated yellow iron oxide 2.0 (8) Fluorinated black iron oxide 0.1 (9) Spherical powder 10.0 (10) Dimethylpolysiloxane 4.0 (11) Methyl Hydrogenpolysiloxane 3.0 (12) Squalane balance (13) Liquid paraffin 3.0 (14) Ethylparaben 0.2 (15) Antioxidant 0.2 (16) Fragrance 0.1

Example 8 Powdery Foundation (1) 0.5% by weight of polysiloxane-polyoxyalkylene copolymer (R ^{1 to} R ⁴ = CH ₃ , a = 16, b = 14, c = 0, d = 2 , X = 4, y = 4) (2) Dextrin palmitate treated talc 50.0 (3) Dextrin palmitate treated kaolin 20.0 (4) Dextrin palmitate ester treated zinc oxide 7.0 (5) Dextrin Palmitic acid ester-treated titanium oxide 3.8 (6) Dextrin palmitic acid ester-treated red iron oxide 1.0 (7) Dextrin palmitic acid ester-treated yellow iron oxide 2.9 (8) Squalane balance (9) Liquid paraffin 3.0 (10) Dimethyl polysiloxane 2.0 (11) Ethyl paraben 0.4 (12) Antioxidant 0.2 (13) Fragrance 0.1

Example 9 Lipstick (1) 3.0% by weight of polysiloxane-polyoxyalkylene copolymer (R ^{1 to} R ⁴ = CH ₃ , a = 11, b = 10, c = 8, d = 2, (x = 4, y = 4) (2) Silicone treated titanium oxide 5.0 (3) Silicone treated red No. 201 0.6 (4) Silicone treated red No. 202 1.0 (5) Silicone treated red No. 223 2 (6) Candelilla wax 9.0 (7) Solid paraffin 8.0 (8) Beeswax 5.0 (9) Carnauba wax 5.0 (10) Lanolin 11.0 (11) Castor oil balance (12) 2 -Cetyl ethylhexanoate 20.0 (13) Isopropyl myristate 10.0 (14) Antioxidant 0.2 (15) Fragrance 0.1

Each of the cosmetics obtained in Examples 7 to 9 was smooth, had a good fit, and was excellent in long-lasting makeup.

[0042]

As described above, the oil-based cosmetic of the present invention is smooth, has a good fit, and has a long lasting makeup.

Claims (3)

[Claims] An oil-based cosmetic comprising the following components (A) and (B): (A) General formula (1): (Wherein, R ^{1 to} R ⁴ are the same or different alkyl groups having 1 to 32 carbon atoms, a is a number of 1 to 1000, b and c are each a number of 0 to 1000, d is a number of 1 to 100, x and y each represent a number of 1 to 8, except that b = c = 0.)
A polysiloxane-polyoxyalkylene copolymer represented by the formula: (B) Hydrophobized powder 2. The amount of component (A) is from 0.01 to 50.
0% by weight, and the compounding amount of the component (B) is 2.0 to 98.
The oily cosmetic according to claim 1, which is 0% by weight. 3. Component (A) represented by the general formula (1):
^{1 to} R ⁴ = methyl group, a = 5 to 50, b = 10 to 50, c
The oil-based cosmetic according to claim 1 or 2, which is a polysiloxane-polyoxyalkylene copolymer represented by = 0 to 30, d = 2 to 10, x = 2 to 4, and y = 2 to 4.