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:
*When used as a two-part system in just one use.
- Apply to dry hair, saturating from root to ends. Hair should be damp, but not dripping.
- Leave it on for 10 minutes. Don’t rinse.
- Layer Nº.3 Hair Perfector directly over top of Nº.0 and leave on for an additional 10 minutes.
- Rinse thoroughly.
For:
All hair types, especially for those with visible damage.





