摘要:
Compositions for external use which contain a zinc compound, in particular, a composition for external use which contains a zinc compound and a thiol compound and a composition for external use which contains a higher fatty acid zinc salt as the zinc compounds and a polar oil derivative having an I.O.B. value of 0.1 or more. These compositions can promote the production of metallothionein in skin cells and thus prevent skin damage due to solar UV light, etc. without any problem of odor.
摘要:
An anti-graying preparation which contains as an active ingredient a substance having excellent anti-graying activity, e.g., aminocyclohexanecarboxylic acid, an aminocyclohexanecarboxylic acid ester such as ethyl aminocyclohexanecarboxylate, an aminocyclohexane derivative such as aminocyclohexanol, piperidinecarboxylic acid, a piperidinecarboxylic acid ester such as ethyl piperidinecarboxylate, or a piperidine derivative such as hydroxypiperidine.