Protect your hair from potential heat damage with the Goldwell kerasilk colour protective blow-dry spray. The lightweight formula absorbs into your tresses fast, never leaving any heavy, sticky residue behind.coloured hair can become dry, coarse and brittle if not shielded from blow drying, so replenish it while simultaneously boosting the vibrance of the dye, with an infusion of potent tamanu oil.the innovative heat defence spray works to provide a veil of defence against uv rays, which could potentially cause dulling and fading.finished with keratin for the illusion of glossier, bouncier tresses, the protective blow-dry spray is destined to become an essential part of your haircare routine.