OLAPLEX No3 Hair Perfector

A powerful, clinically proven pre-shampoo treatment that leaves hair 3X stronger after just one use. N°3 is the complete at-home bond builder: it rebuilds all three hair bonds to repair and strengthen damaged hair.

Formulated for all hair types and all levels of hair health, this weekly treatment is the key to your healthiest-looking hair.

How to use: in the shower before shampooing, apply N°3 from roots to ends until saturated. Leave on 3–10 minutes, then rinse well and follow with N°4 Bond Maintenance Shampoo and N°5 Bond Maintenance Conditioner.