The SCHWARZKOPF BC BONACURE PH 4.5 COLOR FREEZE GOLD SHIMMER MICELLAR SHAMPOO is a nourishing shampoo for dull, porous, highlighted hair that gentle and effective cleans your hair and with its warm pigment mixture reinforced the blond shades, strengthens the hair structure to the optimal pH 4.5 and protects against of color fading, at the same time counteract the unwanted golden undertones, leaving your hair with a new shine.