A process for manufacturing colored hair is disclosed. This process comprises the steps of applying a color sizing agent to hair material, semi-drying the color sizing agent applied to the hair material, winding a vapor feeding member comprised of a net member and a moisture-containing member around...http://www.google.fr/patents/US6022380?utm_source=gb-gplus-shareBrevet US6022380 - Processes for manufacturing colored hair using color sizing agents and vapor
Processes for manufacturing colored hair using color sizing agents and vapor