Schwarzkopf Bonacure pH 4.5 Color Freeze Shampoo is specifically formulated to gently cleanse colored hair while maintaining its vibrancy and protecting against color fade. Its innovative pH 4.5 Balancer Technology helps to seal the hair's cuticle, locking in color molecules for longer-lasting, brilliant results. This shampoo is ideal for everyday use on all types of colored hair, leaving it feeling soft, smooth, and healthy.