What it is:
Primes hair to absorb nourishment for maximum repair.
What it does:
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. Limited edition kit contains a N°3 30ml deluxe sample.
What else you need to know:
APPLICATION TIP: N°0 bottle should last 3-6 applications, based on hair length and density.