This leave-in fortifying serum is quickly absorbed to prevent hair breakage, hydrate, and increase elasticity while providing heat protection up to 450°F. It forms a protective veil around hair fibers, strengthens fragile hair from within, and promotes lengthening over time. Prevents breakage and hair loss caused by brushing and styling Hydrates and softens strands while locking in moisture Improves tensile strength and elasticity of each strand Provides heat protection up to 450°F (232°C) Strengthens fragile hair from within HOW TO USE Apply a small amount to damp or dry hair to strengthen the hair fiber. Style as usual. Can also be used as an overnight treatment for intensive care.