Triple Resist Reinforcing Tonic instantly helps target fragile, weak points to refortify even the most breakage-prone hair. Formula with our highest level of amino acid provides intensive reinforcement from root to core to tip. Hair fall to breakage is reduced by 64%*. *When using system of shampoo, conditioner and treatment in a brushing test that measures breakage vs. non-conditioning shampoo. **System of shampoo and conditioner tested for instant results + lasting transformation.