Add volume to fine flat hair with Kérastase Résistance Bain Volumifique Shampoo. This lightweight thickening shampoo gently cleanses while lifting roots and enhancing fullness without weighing hair down. Infused with intra-cylane and cellulose powder it strengthens each strand and boosts body for long-lasting volume. Ideal for fine hair this daily shampoo leaves hair soft bouncy and full of life.