Kerastase Elixir K Ultime Masque is deep conditioning treatment to leave hair feeling luxuriously nourished with moisture and shine. An exceptional hair care ritual. This mask is enriched with a high concentration of precious oils, moisturizing serum and lipidic compounds. It leaves hair feeling luxuriously nourished and soft to the touch. It helps to revive hair back to a natural, normal state with continued use and penetrates deep into the hair fibers. Hair is left weightlessly smooth. Best for use with Kerastase Elixir K Ultime Bain Riche Shampoo.