Olaplex No. 0 is a highly concentrated pre-shampoo treatment that prepares the hair fiber for deep repair. Designed as a booster for Treatment No. 3, it rebuilds disulfide bonds at the molecular level, strengthens hair, and reduces breakage. Used together, it offers up to 68% more repair and up to 65% less breakage. Apply to dry hair, leave on for 10 minutes, then add Treatment No. 3 without rinsing, leave on, rinse, and follow with shampoo and conditioner. Ideal for all hair types, especially very damaged hair.
