There is nothing better than walking out of a salon with vibrant true colour. A good colourist will create the perfect balance of shades to suit their client's style and skin colour. Getting it right is a skilled science, so it's no surprise that everyone wants their colour to remain true for as long as possible.That’s where pH 4.5 Color Freeze comes in. Patented pH 4.5 Balancer Technology not only seals the surface of coloured hair as conventional colour care does but most importantly, it freezes the colour pigments deep inside the hair matrix for ultimate colour perfection.Diagnosis: Hair is dull and porous, highlighted, lifted or bleached.Benefits:Gently, yet effectively cleanses.Visually enhances dull, blonde bases.Strengthens the hair structure.Helps to optimise the pH level to 4.5.Result: closer than ever to zero colour fade.Formulated with a warm pigment mix, this caring shampoo subtly enhances dull blondes and revives golden undertones, while caring ingredients help to improve hair condition.