Olaplex No.0 Intensive Bond Building Hair Treatment is 5.2 oz

OLAPLEX No.0 Intensive Bond Building Hair Treatment is a professional-inspired treatment that primes your hair for deeper repair, rebuilds hair bonds, strengthens, and protects hair integrity. Use as the first step in a two-part system with No.3 Hair Perfector (sold separately). How To Use Use as the first step in a two-part at-home system with No.3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair. Apply slowly to dry hair, distributing evenly from root to tip. Work No.0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go. Hair should be damp, not drenched. Let process for 10 minutes. Do not rinse. For the complete treatment, apply No.3 Hair Perfector over hair with No.0 applied to it, combing through as needed. Let process for a minimum of 10 minutes. Rinse, shampoo & condition. For best results, use No.4 Shampoo & No.5 Conditioner. WHEN TO USE: Use the two-part system once a week or two to three times a week for damaged hair.