Your healthy-hair architect. This is the future of hair repair. Get your healthiest hair yet with this weekly treatment, engineered to build 8x stronger, smoother and shinier hair in just 1 use while protecting against future damage. It constructs brand-new bonds of every type to form a 3D network within the hair for immediate strength and lasting protection. Clinically proven to reconstruct hair, repairs and protects against damage. Start with 2 pumps. Apply to clean, damp hair and comb through. For the best results, wait 10 minutes and blow dry. Use weekly.