A Chronologiste routine that targets the six signs of ageing hair and scalp. A Youth revitalising purifying pre-shampoo to deeply cleanse scalp and roots. A revitalising and invigorating shampoo to fight the signs of ageing scalp & hair. A luxury and revitalising hair masque for all hair types adding shine and softness.The range is enriched with Hyaluronic Acid, Vitamin E and Abysinne. For hair that looks and feels thicker, softer, stronger and shinier. Kérastase Kérastase Youth Revitalising Haircare Routine