External preparation for skin

Details External preparation for skin External preparation for skin

1995-03-16

1996-12-03

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Bleach for live hair or skin

424401, 424DIG5, 514944, A61K 7135

Patent

active

055805493

ABSTRACT:
An external preparing for skin comprising one or more than two types of 2-hydroxy benzoic acid derivative and/or salt thereof represented by the following formula: ##STR1## wherein R is an alkoxy group or alkyl group in the formula. The external preparation for the skin according to the present invention has a suppression effect on melanine generation by inhibition of tyrosinase activity. Accordingly, an excellent bleaching effect based upon the suppression of chromatosis and a high degree of safety can be obtained.

REFERENCES:
patent: 4559328 (1985-12-01), Smerbeck et al.
patent: 4582865 (1986-04-01), Balazs et al.
patent: 5164185 (1992-11-01), Charpin et al.
JP 63207238, Abstract 1988.
JP 4036238, Abstract 1992.
JP A 118 6811, Abstract 1989.

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