What Do Oxidation Hair Colors Permanent Waving Solutions And Chemical Hair Relaxers Must Have To Penetrate The Cuticle Layer?
What Do Oxidation Hair Colors Permanent Waving Solutions And Chemical Hair Relaxers Must Have To Penetrate The Cuticle Layer? What must oxidation hair colors, permanent waving solutions, and chemical hair relaxers have to be able to penetrate the cuticle layer? Must have an alkaline pH because a high pH 12 the cuticle and it causes