Composition for external use
AssigneeShiseido Company, Ltd.
InventorsKazuhisa Maeda, Yuji Katsuta
Life of this patent
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Abstract
To provide an external-use composition which exhibits excellent effect of improving decrease in turnover rate of the keratinous layer caused by aging; more specifically, retarding skin aging as well as preventing unfavorable skin conditions of various types such as spots, dull appearance, wrinkles, and skin-roughening. The external-use composition contains a propanediol derivative represented by formula (I): 1 (wherein R represents a hydrogen atom, a methyl group, or an ethyl group) or a pharmaceutically acceptable salt thereof.
Claims10
An external-use composition comprising a propanediol derivative represented by formula (I):
- 3
- (wherein R represents a hydrogen atom, a methyl group, or an ethyl group) or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.