Kerastase Nutritive Irisome Lait Vital is a nourishing conditioner for normal to slightly dry hair that deeply moisturizes hair providing a soft touch. Acts on the most sensitized areas while repairing and providing soft and shiny lengths. Benefits Nourishes and softens hair without weighing it down. Adds shine. Gives a long-lasting nourishment. Protects hair from oxidation. Technology Irisome Complex Lipids improve natural oil production. Glucides boost hair fibre nourishment. Proteins nourish the hair fibre leaving it soft. Iris Rhizome Extract protects hair from oxidation while prolonging hair nourishment. How to use After Bain Satin 1, apply 1 or 2 walnut-sized amounts of product to damp hair – depending on hair lengths. Massage gently through hair from roots to ends. Leave in a few minutes, then emulsify and rinse thoroughly.