Frank Naumann

Use of short-chain carboxylic acids as restructuring agents for keratin fibers, optionally in combination with polymers, surfactants, fats, protein hydrolysates and/or UV-filters

Novel use of short-chained carboxylic acids

Restructuring and finishing of keratin fibers

Coupler/developer and coupler/coupler hybrid dyes and coupler/developer and coupler/coupler hybrid dye intermediates

Novel coupling component for oxidative hair dyes

Hair-dyeing compositions contain new and known diazo-thiazole derivatives as direct dyes, optionally in combination with oxidation dyes

Immobilisation of active agents on fibres

New cationic diagonally cross linked copolymer useful for improving physical characteristics of keratinic fibers (preferably human hair) and for styling and conditioning hairs

Structure-improving hair care agents

Agent for dyeing or coloring and simultaneously protecting hair