This lightweight, leave-in thermal protecting serum buffers against heat styling damage and facilitates the use of heat tools by providing extra glide for easier manageability. A must have for fragile, brittle hair, this hydrating treatment protects against split ends and hair breakage with professional hair strengthening ingredients. The advanced C3 Smoothing Complex with cationic polymers is designed to shield and polish all hair types and lengths for reduced frizz and increased smoothness and shine. This heat protectant hair primer contains smoothing coconut oil for no-frizz hair despite high humidity - together with the Thermasmooth shampoo and conditioner, it composes a complete blowout system for salon-perfect straightening results.