Kao Corporation

Mikako Watanabe

Shigeru Moriwaki

Yasuto Suzuki

Naoko Tsuji

Yukihiro Ohashi

Genji Imokawa

Yoshinori Nishizawa

Yoshinori Takema

Shinya Amano

Satoshi Kanazawa

A topical skin composition containing a dipeptide compound represented by formula (1) or a salt of the dipeptide: wherein Rrepresents a hydrogen atom, an alkyl group, an alkanoyl group, or &#x2014;CH(R)COOR(wherein Rrepresents a hydrogen atom or a lower alkyl group, and Rrepresents a hydrogen atom, a lower alkyl group, a lower alkenyl group, or an aralkyl group);

Topical composition for skin

The present invention provides a skin external preparation comprising a compound of the formula (1), (2), (3) or (4).

Skin external preparation

The present invention provides a skin external preparation comprising a compound of the formula (1), (2), (3) or (4). ##STR1## wherein X represents COOH, etc., Z represents CONH.sub.2, etc. and R.sup.1 and R.sup.7 individually represent a hydrogen atom, etc. The above-described compound has excellent effects, for example, for preventing or alleviating skin aging or inhibiting hair growth.

Growing community of inventors

Haga-gun, Japan

Mikako Watanabe