The SCHWARZKOPF BC BONACURE PH 4.5 COLOR FREEZE TREATMENT with its rich and intensely caring emulsion contains hydrolyzed keratin which fills the structural gaps between the outer layer of hair and the cortex.
The pH 4.5 balancer technology repairs the hair structure and seals the color pigments in the deepest hair layers. The strength and firmness of the color improve. Your hair is brought into the optimal pH of 4.5 and the color effect stays intact as the first day.