Shop Kérastase Chronologiste, a professional haircare range created to care for ageing hair by improving dryness, dullness, frizz, thinning and loss of volume. The Kérastase Chronologiste routine includes the Youth Revitalising Shampoo, Youth Revitalising Hair Mask, Restorative Overnight Hair Serum and L'Huile De Parfum Fragrance In Oil Hair Oil. Powered by ingredients such as Hyaluronic Acid and Abyssine, this professional haircare range helps hydrate, smooth and strengthen the hair while supporting a healthy scalp. Support stronger, shinier hair with Kérastase Chronologiste, designed to care for the changing needs of ageing hair.