Give Me Strength Strengthening Shampoo, is dermatologically tested and laboratory proven to leave hair 5x stronger after just one use, when followed with Give Me Strength Strengthening Conditioner. This revolutionary hair strengthening shampoo reduces hair breakage, strengthens hair strands and promotes new hair growth with every wash. The winning formula successfully targets the three main factors responsible for hair breakage and hair loss, to achieve stronger, healthier hair. This formula is suitable for sensitive scalps, and is sulphate free, silicone free and paraben free. Apply shampoo and massage with fingers to create a rich lather, then rinse. Repeat for thorough cleansing. For best results, follow with Percy & Reed Give Me Strength Strengthening Conditioner.