OLAPLEX No.0 and No.3 Bond Building Duo

Includes No.0 Intensive Bond Builder and No.3 Hair Perfector. Ideal for strengthening and repairing hair. #0 - KEY BENEFITS - 155ml/5.2 oz size Intensifies repair results with N°3 Strengthens hair and reduces breakage Rebuilds hair bonds at a molecular level DETAILS Prime your hair for your deepest at-home repair with this salon-inspired pre-treatment to boost the effects of N°3 Hair Perfector™. The highly concentrated formula rebuilds disulfide bonds to repair more severe damage and immediately strengthens hair when N°0 is used with N°3. HOW TO USE On dry hair, apply and distribute evenly from root to tip. Leave on for 10 minutes. Do not rinse. Apply N°3 Hair Perfector™ and comb through. Leave on for 10 minutes. Rinse well. Shampoo and condition with N°4 and N°5. Use as a two-part system with N°3 once a week or 2-3x per week for very damaged hair. #3 - KEY BENEFITS - 100ml/3.3 oz size Reverses damage and strengthens hair Restores healthy appearance and texture Reduces future breakage DETAILS A powerful, clinically proven pre-shampoo treatment that leaves hair 3X stronger after just one use.* N°.3 is the complete bond builder to repair and strengthen hair at home by rebuilding all 3 hair bonds. Formulated for all hair types and all levels of hair health, this weekly treatment is key for your healthiest-looking hair. HOW TO USE In the shower before shampooing, apply N°.3 from roots to ends until saturated. Leave on for 3-10 minutes, then rinse well. New- Never opened.