Olaplex No.0

A professional-inspired treatment that primes hair for deeper repair with the highest dose of patented OLAPLEX technology in any take-home product. It rebuilds hair bonds, strengthens and protects hair integrity. Use as the first step in a two-part system with N°3 Hair Perfector. 

Apply to dry hair, leave for 10 minutes. Then apply Olaplex No.3 on top, and leave in for a minimum of 20 minutes.