Kerastase Blond Absolu Bain Ultra Violet is a powerful purple shampoo designed to neutralize brassy and yellow undertones in lightened, highlighted, and gray hair. Infused with hyaluronic acid and edelweiss flower, it gently cleanses while hydrating and strengthening the hair fiber. This formula enhances cool blonde tones, leaving hair soft, vibrant, and luminous. Product Features: Neutralizes Brassiness: Ultra-violet pigments counteract unwanted yellow and orange tones. Hydrates Strengthens: Hyaluronic acid nourishes and repairs the hair fiber. Protects Against Damage: Edelweiss flower shields hair from environmental stressors. Lightweight Gentle: Cleanses without weighing hair down. How to Use: Apply to wet hair, lather, and leave on for 2?5 minutes, depending on the level of brassiness. Rinse thoroughly. Use weekly or as recommended by your stylist. For best results, alternate with Bain Lumiere and follow with Cicaflash or Masque Ultra Violet.