John Frieda Violet Crush Purple Shampoo 250ml for Brassy, Blonde Hair.Neutralises unwanted brassy tones, With Crushed Violet Pigments Our Violet Crush Purple Shampoo gradually neutralises unwanted yellowness as it gently cleanses, without over toning to restore bright blonde. For those of you who loved our Sheer Blonde Colour Renew purple shampoo - this is the same great formula, with a packaging makeover! Vegan Friendly “Lose the brassiness for bright, beautiful blonde.