IP Library Granted Patent US 7,332,152
Granted Patent B2
US 7,332,152 · App. 10/980,479 · Granted Feb 19, 2008

Cosmetic composition

Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
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Quick Facts
Patent No.
US 7,332,152
App. No.
10/980,479
Granted
Feb 19, 2008
Kind
B2
Abstract

A cosmetic composition is provided comprising vitamin B 6 , vitamin B 3 and an organic acid. The components of the composition interact synergistically to enhance skin lightening.

Claims (19)

1. A skin lightening cosmetic composition comprising:

i. 0.05-10% by weight vitamin B 6 or derivative thereof;

ii. 0.05-10% by weight vitamin B 3 or derivative thereof; and

iii. 0.05-20% by weight of sebacic acid and esters/salts thereof.

2. The composition as claimed in claim 1 additionally comprising from 0.1 to 10% by weight of at least one sunscreen.

3. The composition as claimed in claim 2 wherein the sunscreen is organic or inorganic or a combination thereof.

4. The composition as claimed in claim 1 additionally comprising from 10 to 85% by weight of a detergent active.

5. The composition as claimed in claim 4 wherein the detergent active is selected from the group consisting of an anionic active, a nonionic active, a cationic active, an amphoteric active, a zwitterionic active, and mixtures thereof.

6. The composition as claimed in claim 1 additionally comprising a cosmetically acceptable vehicle.

7. The composition as claimed in claim 6 wherein the cosmetically acceptable vehicle comprises from 0.1 to 25% by weight of the composition of solid asymmetric particles and an anionic emulsifier.

8. The composition as claimed in claim 1 wherein the pH of the composition is between 3 and 11.

9. The composition as claimed in claim 1 wherein the vitamin B 6 or derivative thereof is selected from a synthetic or natural source.

10. The composition as claimed in claim 1 wherein the vitamin B 3 or derivative thereof is selected from the group consisting of niacinamide, nicotinamide, nicotinic acid esters, non-vasodilating esters of nicotinic acid, nicotinyl amino acids, nicotinyl alcohol esters of carboxylic acids, nicotinic acid N-oxide, niacinamide N-oxide, and mixtures thereof.

11. The composition as claimed in claim 1 wherein the vitamin B 6 or derivative thereof is incorporated at 0.1 to 5% by weight of the composition.

12. The composition as claimed in claim 1 wherein the vitamin B 3 or derivative thereof is incorporated at 0.1 to 5% by weight of the composition.

13. A skin lightening cosmetic composition comprising:

i. 0.05-10% by weight vitamin B 6 or derivative thereof;

ii. 0.05-10% by weight vitamin B 3 or derivative thereof; and

iii. 0.05-20% by weight of ferulic acid and esters/salts thereof.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 14, 2005
From: SANZGIRI, VIBHAV RAMRAO; SETHNA, SIMONE DOSU; SHAH, SHIVANI KIRAN; SONA, PUSHKER
To: UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC.
Reel/Frame 015597/0481 →
Priority Claims (2)
IN 1165/MUM/2003 · Jun 11, 2003 · national
GB 0404118.2 · Feb 25, 2004 · national
Continuity (1)
Related Publication 20050100517A1 · May 12, 2005