OLAPLEX N3 (30ML): a weekly pre-shampoo treatment that repairs and prevents breakage, split ends, and damage to hair. OLAPLEX N6 (100ML): a smoother for bonds. Frizz control for 72 hours to achieve silky blow-dries and air-dries. OLAPLEX N7: Bonding oil (7.5 ml). brings 450F/232C to a maximum shine, softness, and heat protection level. OLAPLEX N9 (20ML): nourishing hair serum with bond protector. 450F/232C heat protection and pollution resistance are provided for bounceback curls, shine, and style memory.