REPAIR & PROTECT: 1.7-fluid ounces of OGX Repair & Protect Bond Protein Repair Sealing Hair Serum for damaged & frizzy hair to revitalize dry, damaged hair for softer, smoother, & stronger hair** BOND PROTEIN COMPLEX: The bond repair sealing serum is formulated with dual-action repair technology that: 1) Rebuilds bonds in the inner hair cortex and 2) Binds to damaged sites on hair cuticle to help keep hair strong, smooth, and resilient TREATMENT FOR SMOOTHER & STRONGER HAIR: The strengthening anti-fizz hair serum with a formula that delivers 2x smoother & up to 5x stronger hair after five washes* for beautiful, healthy-looking hair WHAT YOU DO: Before bed, apply a small amount of hair serum to your hands, rub together, & apply evenly to damp or dry hair working from the ends upward. Leave the serum in over night, there is no need to rinse! For best results, use 1-2 times a week ENHANCE YOUR HAIR CARE ROUTINE: To help protect & repair the damaged areas of your hair, combine with the entire OGX Bond Protein Repair line. First, cleanse & condition, then, apply heat protectant, & treat & style for healthy-looking hair