Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivatives as depigmenting agents

U.S. Patent Number: 5834518

Abstract: Human skin is depigmented or bleached by applying thereto a compound of formula (1): ##STR1## wherein X represents COOH or the ring: ##STR2## wherein Z.sub.1, Z.sub.2 and Z.sub.3, independently of each other, are H, OR or R, R representing an optionally substituted saturated or unsaturated, linear or branched C.sub.1 -C.sub.8 -alkyl radical, or a salt, a metal complex or an ester of the compound.

Inventors: Galey; Jean-Baptiste (Aulnay-Sous-Bois, FR), Marrot; Laurent (Livry Gargan, FR), Causse; Catherine (Bourg La Reine, FR)

Assignee: L'Oreal (Paris, FR)

Application Number: 08/897,946

Issued: 1998-11-10

Expired: 2006-11-10

Classes: 514/566 ; 562/442; 562/451

Field of search: 562/442,451 514/566

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