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US 7,253,212 B2Granted
Retinol derivative and cosmetic composition comprising the same
AssigneeCoreana Cosmetics Co., Ltd.
InventorsKun-Su Lee, Jee-Hean Jeong, Seung-Ji Lee, Jung-No Lee, Byong-Kee Jo
Life of this patent
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Abstract
The present invention relates to a novel retinol derivative and a cosmetic composition comprising the same, in particular, to a novel retinol derivative represented by the formula (I) exhibiting the effects from both L-ascorbic acid and retinol as well as being free from the disadvantages of two compounds such as skin irritation and instability in cosmetic formulation, and a cosmetic composition comprising the retinol derivative. (I)
Claims6
A retinol derivative represented by the following formula (I):
A cosmetic composition comprising:
- (a) a cosmetically effective amount of a retinol derivative represented by the following formula (I);
- and
- (b) a cosmetically acceptable carrier:
Dependencies are inferred from the claim text.