this luxuriously rich, replenishing hair mask deeply nourishes and provides the highest levels of strength to prevent against future breakage. the deeply nourishing formula softens, smoothes, and leaves hair with a glowing shine. benefits 92% less breakage* 70% more smooth** 2x more shine*** deeply nourishes and hydrates hair prevents breakage smoothes delivers shine to dull hair *system of shampoo & treatment vs. non-conditioning shampoo. **system of shampoo,conditioner & serum vs. non-conditioning shampoo. ***system of shampoo & treatment vs. unwashed hair.