Schwarzkopf BC pH 4.5 Color Freeze

BC pH 4.5 Color Freeze is a hair care line by Schwarzkopf Professional and is specially designed for a long-lasting color. The patented technology pH 4.5 Balancer not only seals the surface of colored hair like any conventional color care, but most importantly, ensures that the color pigments are "frozen" deep in the hair matrix for the ultimate perfect color result.