Repair your weak damaged hair in less than a month! Due to bonds being continuously broken within the hair through daily routine activities such as heat styling & chemical services such as colouring or bleaching, the integrity of your hair will dissipate within just a few weeks to a month depending on how your hair was treated. The Olaplex No.3 Hair Perfector is a take home treatment that can strengthen and maintain your damaged and weak hair further, even after a chemical repair treatment service. Features: Pre-treatment Preparation: The Olaplex No.3 Hair Perfector can be used as a pre-treatment formula to preserve and improve hair condition before a future chemical service to maximise repairs. Enforce and Repair: Maintain true strength, shine and hair softness until your next hair service in salon. Maintain Hair Structure: Strengthens and protects compromised hair How to Use: Apply a generous amount from roots to ends on unwashed, towel-dried hair. Comb through once. Leave on for a minimum of 10 minutes or more. For damaged hair, repeat without rinsing. Rinse from hair, then shampoo and condition using the Olaplex #4 Shampoo and Olaplex #5 Conditioner. NOTE: The longer this product is left on the hair, the more effective it is. This is NOT a conditioning treatment, but a pre-shampoo treatment, and should be shampooed out of the hair at the end.