Kerastase Bain Age Recharge Shampoo is a daily use gentle cleansing shampoo for those will limp, dulling or dry hair. This gentle cleansing formula helps to restore and protect each and every hair fiber, creating stronger and healthier hair with each wash. Travel size is perfect for those on the go. How to use: Apply Bain Age Recharge Shampoo to wet hair. Lather well and rinse.