Cosmetic composition

Patent metadata

Field	Value
Publication number	US-9492371-B2
Application number	US-201314381351-A
Country	US
Kind code	B2
Filing date	Feb 25, 2013
Priority date	Feb 28, 2012
Publication date	Nov 15, 2016
Grant date	Nov 15, 2016

Abstract

A cosmetic composition, comprising the following components (A), (B), (C), and (D):
(A) from 0.01 to 48 % by mass of a fluorine-modified silicone having a polysiloxane unit represented by the following formulae (1) and (2):
wherein, Rf represents a linear or branched perfluoroalkyl group having 6 carbon atoms; R 1 , R 2 , and R 3 are the same or different and each represent a linear or branched hydrocarbon group having 1 to 6 carbon atoms; m represents a number of 2 to 6; n represents a number of 1 to 6; p represents a number of 3 to 50; s represents a number of 1 to 5; and a ratio between p and s satisfies 0.66≦p/(p+s)≦0.9,
(B) from 0.01 to 40 % by mass of a powder having been subjected to a surface treatment with tridecafluoro octyltriethoxysilane, (C) from 0.01 to 20% by mass of a fine zinc oxide particle having a specific surface area of 10 to 100 m 2 /g, with the proviso that the component (B) is excluded from the component (C), and (D) octyl para-methoxycinnamate,
wherein, a mass ratio of the component (A) to the component (D), (A)/(D) is from 0.5 to 10.

First claim

The invention claimed is:

1. A cosmetic composition, comprising components (A), (B), (C), and (D):
(A) from 1 to 20% by mass of a fluorine-modified silicone having a polysiloxane unit represented by formulae (1) and (2):

wherein,
Rf represents a linear or branched perfluoroalkyl group having 6 carbon atoms;
R 1 , R 2 , and R 3 are the same or different and each represent a linear or branched hydrocarbon group having 1 to 6 carbon atoms;
m represents a number of from 2 to 6;
n represents a number of from I to 6;
p represents a number of from 3 to 50;
s represents a number of from 1 to 5; and
a ratio between p and s satisfies 0.66<p/(p+s)<0.9,

(B) from 0.01 to 40% by mass of a powder having been subjected to a surface treatment with tridecafluoro octyltriethoxysilane,
(C) from 0.01 to 20% by mass of fine zinc oxide particles having a specific surface area of from 10 to 100 m 2 /g, with the proviso that the component (B) is excluded from the component (C), and
(D) octyl para-methoxycinnamate,
wherein, a mass ratio of the component (A) to the component (D), (A)/(D), is from 0.5 to 10.

2. The cosmetic composition according to claim 1 , wherein a content of the component (D) is from 0.1 to 15% by mass.

3. The cosmetic composition according to claim 1 , wherein a content of the component (B) is from 1 to 20% by mass, a content of the component (C) is from 1 to 20% by mass, and a content of the component (D) is from 1 to 10% by mass.

4. The cosmetic composition according to claim 1 , wherein, a mass ratio of the component (A) to the component (C), (A) / (C), is from 0.1 to 10.

5. The cosmetic composition according to claim 1 , wherein, a mass ratio of the component (A) to the component (B), (A) / (B), is from 0.1 to 10.

6. The cosmetic composition according to claim 1 , further comprising from 0.01 to 10% by mass of (E) an organopolysiloxane in which poly(N-acylalkyleneimine) segments are bound to at least two silicon atoms of an organopolysiloxane segment constituting a main chain via alkylene groups each having a hetero atom, the poly(N-acylalkyleneimine) segment comprising a repeating unit represented by fonnula (4):

wherein, R 4 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and t represents 2 or 3,
wherein, a number average molecular weight of the poly(N-acylalkyleneimine) segment is from 500 to 4000,
a mass ratio of (a) the organopolysiloxane segment constituting the main chain to (b) the poly(N-acylalkyleneimine) segment, (a / b), is from 80/20 to 95/5,
a weight average molecular weight of the organopolysiloxane segment between adjacent poly(N-acylalkyleneimine) segments is from 10000 to 40000, and
a weight average molecular weight of the organopolysiloxane segment constituting the main chain is 50000 to 150000.

7. The cosmetic composition according to claim 6 , wherein, a mass ratio of the component (A) to the component (E), (A) / (E), is from 0.1 to 100.

8. The cosmetic composition according to claim 6 , wherein, the organopolysiloxane of the component (E) is produced by reacting a modified organopolysiloxane with a terminal reactive poly(N-acylalkyleneimine), the modified organopolysiloxane being represented by formula (6):

wherein, R 5 each independently represent an alkyl group having 1 to 22 carbon atoms or a phenyl group; and R 8 and R 9 each represent the same group as R 5 or a monovalent group represented by any of the following formulae (viii) to (xiii):

R 10 represents a monovalent group represented by the above formulae (viii) to (xiii); d represents a number of from 91.5 to 1255.0; and e represents a number of from 2.0 to 62.5, and
the terminal reactive poly(N-acylalkyleneimine) being obtainable by ring-opening polymerization of a cyclic imino ether represented by the following formula (7):

wherein, R 4 and t have the same meaning as above,
and wherein, a mass ratio of the modified organopolysiloxane represented by the formula (6) to the terminal reactive poly(N-acylalkyleneimine), (modified organopolysiloxane / terminal reactive poly(N-acylalkyleneimine)), is from 83/17 to 93/7.

9. The cosmetic composition according to claim 8 , wherein a mass ratio of the modified organopolysiloxane represented by the formula (6) to the terminal reactive poly(N-acylalkyleneimine), modified organopolysiloxane / terminal reactive poly(N-acylalkyleneimine), is from 85/15 to 90/10.

10. The cosmetic composition according to claim 1 , wherein, in the formulae (1) and (2) of the component (A), m is from 2 to 5; n is from 1 to 4; p is from 3 to 10; and s is from 1 to 3.

11. The cosmetic composition according to claim 1 , wherein, in the formulae (1) and (2) of the component (A), a ratio of p/(p+s) satisfies 0.75≦p/(p+s)≦0.83.

12. The cosmetic composition according to claim 1 , wherein the component (B) has an average particle diameter of from 0.1 to 20 μm.

13. The cosmetic composition according to claim 1 , wherein, the component (C) is a fine zinc oxide particle having been subjected to a silicone treatment.

14. The cosmetic composition according to claim 1 , wherein, a water content is from 10 to 60% by mass.

15. The cosmetic composition according to claim 1 , further comprising an oil agent which is liquid at 20° C., which is at least one selected from the group consisting of a silicone oil, a hydrocarbon oil and an ester oil, wherein a content thereof is from 10 to 50% by mass.

16. The cosmetic composition according to claim 1 , further comprising a surfactant, wherein the surfactant is a nonionic surfactant.

17. The cosmetic composition according to claim 16 , wherein the surfactant is a polyether-modified silicone.

18. The cosmetic composition according to claim 16 , wherein the nonionic surfactant has an HLB value of 1 or more and 7 or less.

19. The cosmetic composition according to claim 16 , wherein a content of the surfactant is from 0.1 to 6% by mass.

20. The cosmetic composition according to claim 1 , wherein the cosmetic composition is a water-in-oil type emulsified cosmetic composition.

21. The cosmetic composition according to claim 1 , which is a liquid foundation, a makeup base, a sunscreen emulsion, or a sunscreen cream.

22. A method for using the cosmetic composition according to claim 1 , comprising applying the composition to the skin using a sponge.

23. The cosmetic composition according to claim 1 , wherein the composition remains homogenous after storing at 5° C. for 24 hours.

24. A cosmetic composition, comprising components (A), (B), (C), and (D):
(A) from 1 to 20% by mass of a fluorine-modified silicone of formula (3):

wherein,
p represents a number of from 3 to 10;
s represents a number of from 1 to 3;
q is 5; and
a ratio be

Assignees

• Kao Corp

Inventors

• Suzuki Hirohisa
• Matsui Yoshiaki
• Kodate Takashi

Classifications

• A61Q1/00

  Make-up preparations; Body powders; Preparations for removing make-up · CPC title

• A61K8/064

  Water-in-oil emulsions, e.g. Water-in-silicone emulsions · CPC title

• A61K8/26

  Aluminium; Compounds thereof · CPC title

• A61Q1/08

  for cheeks, e.g. rouge · CPC title

• A61Q1/06

  Lipsticks · CPC title