Ph 45, known from skin care for balancing the pH level of the skin to retain a healthy condition, is added to Schwarzkopf formulations to freeze color pigments inside the hair matrix | Formulated for over-processed, porous, colored treated and highlighted hair | Gently yet effectively cleanses hair | Strengthens the hair structure to optimal pH 45, reducing color fade | Adds a cendre shimmer to white hair and very light bases