Anhydrous composition for bleaching keratin fibers...

Animal tattooing paste and method of making the same

Aqueous colorants for keratin fibers

Aqueous compositions for darkening keratinous materials

Aqueous progressive hair colorant having soluble sulfur source a

Aqueous-based hair dyeing composition containing a soluble bismu

Aromatic allylaminonitro compounds, hair dye compositions contai

Ascorbic and isoascorbic acids to remove or adjust oxidative col

Azo derivatives containing a pyrazolinone unit for dyeing...

Azo dyes, their production and use

Azo quinolinium compounds comprising a disulphide/thiol...

Azomethine direct dyes or reduced precursors of azomethine...

Azomethine direct dyes or reduced precursors of these dyes...