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US 5,858,997 AGranted
Method and composition for skin lightening
AssigneeChesebrough-Pond's USA Co., Division of Conopco, Inc.
InventorsBrian Andrew Crotty, Alexander Paul Znaiden, Anthony Johnson
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Abstract
A method and composition is provided for treating skin to achieve lightening by employing an active of the structure: ##STR1## wherein R is selected from the group consisting of C.sub.1 -C.sub.30 alkyl, cycloalkyl and aryl radicals. Most preferred is acetaminophen.
Claims6
A method for lightening the color of skin comprising applying to the skin a composition comprising:
- (i) an effective amount to achieve skin lightening of a compound having structure (I):
- ##STR5## wherein R is selected from the group consisting of C.sub.1 -C.sub.30 alkyl, cycloalkyl and aryl radicals;
- (ii) a sunscreen present in an effective amount to shield skin from ultra-violet radiation in the range from 290 to 400 nm;
- (iii) a pharmaceutically acceptable carrier.
1 more element
A method for lightening the color of skin comprising applying to the skin a composition comprising:
- (i) an effective amount to achieve skin lightening of a compound having structure (I):
- ##STR6## wherein R is selected from the group consisting of C.sub.1 -C.sub.30 alkyl, cycloalkyl and aryl radicals;
- (ii) from 0.001 to 10% of a C.sub.2 -C.sub.30 alpha-hydroxycarboxylic acid or beta-hydroxycarboxylic acid and salts thereof;
- (iii) a pharmaceutically acceptable carrier.
1 more element
Dependencies are inferred from the claim text.