Primes hair to absorb nourishment for maximum repair.
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.
Scientifically Proven:68% more repair & 3x stronger hair**When used as a two-part system in just one use.
APPLICATION TIP: N°.0 bottle should last 3-6 applications, based on hair length and density.
When:Use the two-part system with N°.3 once a week or two to three times a week for damaged hair.
Where:Apply to dry hair, fully saturating each section.
For:All hair types, especially for those with visible damage.