The pH 4.5 Color Freeze Shampoo from the Bonacure care line from Schwarzkopf Professional is ideal for women with coloured hair. The shampoo's valuable ingredients give the hair volume and elasticity and protect the hair colour from fading. This is not least due to the pH value of 4.5, which freezes the hair pigments deep within the hair structure. At the same time, the Cell Perfector technology optimally seals the surface of the hair. The new formulation of the shampoo ensures that the original hair structure is retained even with daily hair washing.Volume and elasticity for coloured hair with a new formula - pH 4.5 Color Freeze Shampoo from Schwarzkopf Professional The newly formulated pH 4.5 Color Freeze Shampoo is formulated so that coloured hair can be washed daily if required. To wash hair, apply a walnut-sized amount to wet hair. Massaging in the shampoo creates a fine, nourishing lather. The foam is thoroughly rinsed out after 2 to 3 minutes. For a perfect finish, follow with the conditioner from the Bonacure care line from Schwarzkopf Professional.