Prep your hair for its most powerful repair yet with this salon-inspired pre-treatment. The concentrated formula rebuilds broken bonds and boosts the effects of Nº.3 for stronger, healthier hair.
5.2 oz
On dry hair, apply and distribute evenly from root to tip. Leave on for 10 minutes. Do not rinse. Apply Nº3 Hair Perfector and comb through. Leave on for 10 minutes. Rinse well. Shampoo and condition with Nº4 and Nº5. Use as a two-part system with Nº3 once a week or 2-3x per week for very damaged hair.
Water/Aqua/Eau, Bis-Aminopropyl Diglycol Dimaleate, Sodium Benzoate, Phenoxyethanol