Prime your hair for your deepest at-home repair with this salon-inspired pre-treatment to boost the effects of N°3PLUS Complete Repair Treatment. The highly concentrated formula rebuilds disulfide bonds to repair more damage and immediately strengthens hair when N°0 is used with N°3PLUS.

HOW TO USE 

1. On dry hair, apply and distribute evenly from root to tip. 
2. Leave on for 10 minutes. Do not rinse.
3. Apply N°3PLUS Complete Repair Treatment and comb through.
4. Leave on for 10 minutes. Rinse well.
5. Shampoo and condition with Nº.4 Bond Maintenance® Shampoo and Nº.5 Bond Maintenance® Conditioner.