Sulfate-free. Detangles and hydrates without frizz. 24H protection against frizz even in high conditions of humidity. Protects hair from blow-dry heat. Helps to prevent split ends. Leaves hair shiny and silky. 99% less hair fall due to breakage from brushing*. 88% more smooth/conditioned**. Awarded Prevention Beauty Awards Best Heat Protectant 2023 Genesis is not a hair loss product. *vs. non-conditioning shampoo. **vs. non-conditioning shampoo. Reduces Breakage Detangles Hair Seals Split Ends . | Kérastase - Defense Thermique Heat Protecting Luxury Spray