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.
 
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."
 
Vegan, cruelty-free, sulfate-free, paraben-free, gluten-free & colour safe.