Use of N - acetilcisteu00ecna as agenteredutor and a lacase as oxidizing agent, the dyeing process of fibre queratu00ecnicas, composition, and device with vu00e1rioscompartimentos

摘要

"The use of N - acetilcisteu00ecna as agenteredutor and a lacase as oxidizing agent, the dyeing process of fibre queratu00ecnicas, composition, and device with vu00e1rioscompartimentos".The present invention has for object umprocesso dyeing of fibres queratu00ednicas and, particularly, fiber queratu00ednicas human hair.Characterized with is: apply on the fibers a dye composition (a) containing, in a medium suitable for dyeing, at menosum precursor oxidation coloring and, where appropriate,A ouvu00e1rios copuladores and, as a reducing agent of N - acetylcysteine, eem to reveal, in the presence of air, the color in alkaline, neutral ouu00e1cido with the help of a lacase,It is incorporated nacomposiu00e7u00e3o () or in a composition (b), the compositions (a) and (b) being mixed immediately before use ouaplicadas one after another on the fibers queratu00ednicas.