Living Proof Restore Repair Leave-In is a corrective leave-in powered by Living Proof's patented Healthy Hair Molecule (OFPMA) and infused with silk proteins, makes hair soft, silky and strong. It transforms hair to look, act and feel like it was not damaged at all. Restore Instant Repair:Helps to prevent up to 93% of new split ends typically caused by styling. Strengthens hair leaving it 15x stronger after just 1 use. Protects against the damaging effects of UV rays.