Hair dye activator L'oreal Professionnel Diactivateur is a peroxide with a creamy texture. This peroxide is specially formulated for use with L'oréal Professionnel semi-permanent hair dyes. The creamy consistency peroxide is ideal for use with Dia Richesse and Dia Light hair dyes. Protects hair when dyeing tone to tone. Due to its creamy consistency, this oxidant is extremely gentle on the hair, as the creamy consistency gently touches the inside of the hair. Cream activator and oxidant effectively softens hair, protects hair and scalp from drying out, has a calming effect. For professional use only. It contains hydrogen peroxide, so it is necessary to wear disposable gloves. Before use, it is necessary to read the instructions inside the package. Dilute paints and oxidation emulsion according to the type of paint. Paint is applied to dry, unwashed hair.