30 Volume Oxidant: It lightens the hair up to 2-3 tones and is used for this purpose. It is the first and most important step in preparing the hair for the dyeing process. Oxidant Cream Formulations Are Produced Taking This into Consideration. Activates the dye. It Makes the Original Color Pigments of the Hair Suitable for the Process. The Right Oxidant Must Be Selected That Suits Your Hair Color and Condition. It is not an oxidant hair dye.