Kerastase Genesis Homme Thickness Boosting Shampoo Bain de Masse Épaississant 250ml. Thickness boosting shampoo for weakened hair, prone to thinning. This shampoo gently clarifies scalp, hair and beard and provides a thickening effect for a fuller-looking head of hair. Provides volume and texture to make thin hair appear thicker whilst leaving your hair feeling strong, smooth and hydrated. Made with Ginger Root, Creatine and Aminexil How to use:Step 1 Work the Bain de Masse Epaississant through wet hair.Step 2 Rinse thoroughly & towel dry.Step 3 In case of contact with eyes, rinse them immediately and thoroughly.