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US 4,540,567 AGranted
Cosmetic composition
AssigneeLever Brothers Company
InventorsFrancis E. J. Oneto, Marc Vermersch
Life of this patent
Estimating the term…
Abstract
A cosmetically acceptable composition contains a C.sub.1 -C.sub.4 alkyl lactate dissolved in a mixture of water and a water-miscible C.sub.2 -C.sub.4 alkylene glycol of a polymer thereof. The composition should have stabilized pH of less than 7.
Claims9
A cosmetically acceptable composition for treating acne comprising
- (a) from about 2% to about 50% by weight of a C.sub.1 -C.sub.4 alkyl lactate;
- (b) from about 5% to about 50% by weight of water;
- and
- (c) from about 1% to about 80% by weight of a water-miscible C.sub.2 -C.sub.4 alkylene glycol or a polymer thereof,
- the composition having a pH value of from 4 to 7.
2 more elements
A method for alleviating the symptons of acne which comprises topically applying an effective amount of a cosmetically acceptable composition to involved portions of human skin, said composition comprising
- (a) from about 2% to about 50% by weight of a C.sub.1 -C.sub.4 alkyl lactate;
- (b) from about 5% to about 50% by weight of water;
- and
- (c) from about 1% to about 80% by weight of a water-miscible C.sub.2 -C.sub.4 alkylene glycol or a polymer thereof,
- the composition having a pH value of from 4 to 7.
2 more elements
Dependencies are inferred from the claim text.