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.
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