Schwarzkopf Professional Bonacure pH 4.5 Color Freeze Micellar Sulfate Free Shampoo 250ml

Diagnosis: Hair is colour treated and requires colour retention.

Gently yet effectively cleanses coloured hair.
Tightens and stabilizes the matrix thus keeping the colour pigments frozen deep inside the hair.
Works to neutralise chemical residues while adjusting hair structure to optimal pH 4.5.

The science behind it pH 4.5 Balancer Technology: working with Lactic Acid & Calcium Hydroxide, tightens and stabilizes the matrix at its optimal pH of 4.5 to deeply freeze colour pigments inside the hair matrix for ultimate colour perfection and anti-fade effect. UV Filter: protects the keratin structure of coloured hair to conserve the colour, shine and condition of each strand from the damaging effects of the sun without overburdening the hair. Cell Perfector Technology: perfectly seals the hair surface, provides additional care for all hair types, repairing inside and out each strand by filling structural gaps, restoring elasticity, providing strength and adding shine.