Prime your hair for your deepest at-home repair with this salon-inspired pre-treatment to boost the effects of No.3 Hair Perfector™. The highly concentrated formula rebuilds disulfide bonds to repair more severe damage and immediately strengthens hair when No.0 is used with No.3.



  1. On dry hair, apply and distribute evenly from root to tip.
  2. Leave on for 10 minutes. Do not rinse.
  3. Apply No.3 Hair Perfector™ and comb through.
  4. Leave on for 10 minutes. Rinse well.
  5. Shampoo and condition with No.4 and No.5.