No. 0 Intensive Bond Builder Size: 5.2 oz

Our professional-inspired treatment primes your hair for deeper repair, rebuilds hair bonds, strengthens, and protects hair integrity. Use as the first step in a two-part at-home system with No.3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair. *Packaging may vary.*

Scientifically Proven:

68% more repair & 3x stronger hair*

*When used as a two-part system in just one use.