Olaplex No. 0 - Intensive Bond Building Treatment

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. 155ml/5.2 fl.oz

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.