The present invention relates to novel direct dyes and compositions comprising them for dyeing keratin fibers especially human hair. The novel dyes of the present invention have benzothiophene structure providing intensive and homogeneous dyeing on keratin fibers, especially human hair.
[EN] DIRECT DYES AND COMPOSITION COMPRISING THE DYES<br/>[FR] COLORANTS DIRECTS ET COMPOSITION LES COMPRENANT
申请人:KAO GERMANY GMBH
公开号:WO2016102207A1
公开(公告)日:2016-06-30
The present invention relates to novel direct dyes and compositions comprising them for dyeing keratin fibers especially human hair. The novel dyes of the present invention have benzothiophene structure providing intensive and homogeneous dyeing on keratin fibers, especially human hair.