Prime your hair for your deepest at-home repair with this salon-inspired pre-treatment to boost the effects of No.3 Hair Perfector . The highly concentrated formula rebuilds disulfide bonds to repair more severe damage and immediately strengthens hair when No.0 is used with No.3.

Redesigned for a quick and targeted stream application, the Olaplex No.0 Intensive Bond Building Hair Treatment features an easy to use nozzle that primes the hair and delivers the highest concentration of the patented bond building technology of any Olaplex at-home product.

Benefits:

- Primes hair to intensify benefits of No.3

- Jump starts repair deep within the hair strand

- Scientifically proven: 68% more repair & 3x stronger hair*

- N°0 bottle should last 3-6 applications, based on hair length and density

Size: 5.2 oz

1. On dry hair, apply and distribute evenly from root to tip.

2. Leave on for 10 minutes. Do not rinse.

3. Apply No.3 Hair Perfector and comb through.

4. Leave on for 10 minutes. Rinse well.

5. Shampoo and condition with No.4 and No.5.

Ingredients: Water (Aqua/Eau), Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Benzoate.