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US 5,292,529 AGranted
Preserved sunscreen composition
AssigneeChesebrough-Pond's USA Co., Division of Conopco, Inc.
InventorsMarion F. Gregory, Christine Morris
Life of this patent
Estimating the term…
Abstract
Preserved sunscreen compositions comprising 0.1 to 20% by weight of a substituted 1,3-diketone, a preservative system comprising 0.1 to 5% by weight of an organic acid and a cosmetically acceptable carrier for the sunscreen, the composition having a pH value not exceeding pH 6.
Claims3
A preserved sunscreen composition suitable for topical application to the surface of the human body, in order to prevent it from the injurious effects of UV A-radiation, which comprises:
- (i) from 0.1 to 20% by weight of 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane;
- (ii) from 0.1 to 5% by weight of an organic acid or salt thereof selected from the group consisting of sorbic acid, potassium sorbate and combinations thereof;
- and
- (iii) a cosmetically acceptable carrier for the sunscreen;
- the composition having a pH value not exceeding about pH 6.
2 more elements
Dependencies are inferred from the claim text.