Schwarzkopf Professional BC Bonacure Clean pH 4.5 Colour Freeze Sulphate-Free Shampoo (250ml) gently and effectively cleanses coloured hair types without the use of potentially damaging sulphates. Its unique pH-balanced formula returns the hair and scalp to its optimum pH value of 4.5, improving the structure of hair both inside and out whilst perfectly 'freezing' colour pigments inside the hair's matrix, preventing premature fading and providing long-lasting, vibrant colour for up to 30 washes. Free from SLS/SLES, Silicones and artificial colours. Schwarzkopf Bonacure products are not tested on animals, and the formulas are vegan-friendly. A gentle shampoo from Bonacure Color Freeze, specially formulated for colour-treated hair. Hair is restored to its optimal pH level to perfectly freeze colour pigments inside the hair matrix, preventing fading for long-lasting hair colour. Ideal for use in post-colour services and home maintenance. Free from SLS/SLES sulphates, silicones and artificial colourants. Vegan hair product. A gently formulated shampoo from Bonacure Color Freeze, ideal for colour-treated hair. Restored to its optimal pH level, hair is left looking and feeling amazing. Freeze colour pigments in place onside the hair matrix so that fading is prevented. This product is ideal for post-colour services and home maintenance. Free from SLS/SLES sulphates*, silicones and artificial colourants. Vegan** hair product.