Rich, creamy, and soothing, Schwarzkopf BC pH 4.5 Color Freeze Treatment Mask is designed to meet the needs of color-treated, highlighted, or overly processed hair. This mask, which is infused with the unique pH 4.5 Balancer Technology, works deep within the hair strand to stabilize and strengthen the hair matrix as well as return the hair to its ideal pH level, locking the color pigments inside the hair. Along with the patented Cell Equalizer Technology, the high-performance formula also contains vegan keratin, which fills in structural gaps in the hair to give each hair strand its original elasticity, strength, and shine. This mask leaves hair softer, smoother, and brighter—looking professional—after just one application. Developed using cutting-edge haircare technology,