Kerastase Nutritive Bain Satin 2 with Irisome is a gentle cleansing shampoo that can be used daily to combat very dry hair. Hair is left with a surge of moisture, leaving it bouncy and full of life. To the touch, hair feels silky, smooth and healthy again. Repair signs of damage from the environment and processing with use of this gentle shampoo. The silicone derivatives in this product help to repair fibers and leave hair supple. Best for use with Kerastase Nectar Thermique Polishing Nourishing Milk before blow drying. How to use: gently massage small amount of product into wet hair. Lather and rinse. Follow with conditioner if needed.