A powerful, clinically proven pre-shampoo treatment that leaves hair 3X stronger after just one use. N°.3 is the complete bond builder to repair and strengthen hair at home by rebuilding all 3 hair bonds. Formulated for all hair types and all levels of hair health, this weekly treatment is key for your healthiest-looking hair.

• Reverses damaged and strengthens hair
• Restores healthy appearance and texture
• Reduces future breakage