| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an epidermal keratinocyte-activating agent having higher activity than a conventional one, and to provide a skin external preparation which advantageously has an acne/rash improving effect in addition to a skin somberness-improving effect, a skin whitening effect and a skin texture improving effect and is excellently stable over periods of time. <P>SOLUTION: The epidermal keratinocyte-activating agent includes an extract of Camellia japonica leaves as an active ingredient. The skin external preparation includes the extract of Camellia japonica leaves in an amount of 0.0001-5 mass% as a dry residue. <P>COPYRIGHT: (C)2012,JPO&INPIT |
