Olaplex No.0 Intensive Bond Building Treatment primes the hair to absorb nourishment. This will help maximize hair repair with the use of other Olaplex products. No.0 is the first step in a two-part system with Olaplex No.3 Hair Perfector. We recommend getting and using these products together for the best results. Olaplex works for all hair types. 
Use this product with Olaplex No.3 1-3 times a week.
Apply liberal amount of product to dry hair.