Revitalizes signs of aging hair and scalp. Gently removes impurities from scalp and hair fiber. Reveals stronger hair.* Nourishes and moisturizes hair. Awarded by Glamour 'Best Shampoo for Damaged Hair' in 2021. *Instrumental test after Bain + Masque. Smooths Hair Soft Hair Shiny Hair . | Kérastase - Bain Régénérant Luxury Shampoo