This Blond Absolu neutralizing routine is ideal for blonde, grey or bleached hair prone to yellow undertones. It gently cleanses, instantly neutralizes unwanted warmth and preserves blonde luminosity while protecting the hair fiber. Neutralizes yellow and brassy tones Enhances cool blonde brightness Strengthens and protects sensitized hair HOW TO USE Use the products in the recommended order: cleanse with the neutralizing shampoo, apply the treatment or mask, then finish with a leave-in to protect and enhance blonde hair.