L'Huile Originale Elixir Ultime by Kérastase is a refining, nourishing hair oil that adds shine to the hair without weighing it down.the revised hair oil protects and nourishes the hair.gives the hair high shine and a long-lasting gloss effect. The hair immediately becomes supple and easier to style. Controls frizz for 96 hours and removes protruding hairs for smooth hair: Apply to lengths and ends to add a touch of shine. Apply 1-2 pumps of the product to wet or dry hair. Do not rinse.