No.0 Primes hair to absorb nourishment for maximum repair. It rebuilds hair bonds, strengthens and protects hair integrity. Use as the first step in a two-part system with N°.3 Hair Perfector.

For: All hair types especially coloured and visually damaged.

How: Apply to dry hair, fully saturating each section. Then apply No.3

When: 1-2 times a week. 

Learn more about Olaplex Bond Building technology.