Everything you need to repair, strengthen, and protect your hair, no matter your hair type or condition. OLAPLEX Bond Building Technology is proven to relink broken disulfide bonds damaged by chemical services, heat, and styling. All bottles are new Nº.0 (5.2 oz) Intensive Bond Building Hair Treatment- Primes, repairs, strengthens and protects all hair types. Nº.3 (3.3 oz) Hair Perfector- A pre-shampoo hair treatment that reduces breakage and split ends for visibly healthier hair. Nº.4 (8.5 oz) Bond Maintenance Shampoo- Gently cleanses, hydrates, nourishes, strengthens, repairs & maintains healthy-looking hair. Nº.5 (8.5 oz) Bond Maintenance Conditioner- Nourishes and hydrates hair without causing heaviness. Moisturizes and hydrates. Detangles and improves manageability. Repairs and maintains healthy-looking hair. Nº.6 (3.3 oz) Bond Smoother- Strengthens, hydrates, moisturizes and speeds up blow dry times while smoothing. Eliminates frizz and flyaways. Nº. 7 (1 fl oz) Bonding Oil- Boosts shine, strengthens and repairs all hair types. Reinforces hair's moisture barrier. Deeply nourishes hair. Protects against humidity and color fading Nº.8 (3.3 oz) Bond Intense Moisture Mask- Highly concentrated formula provides intense, weightless moisture, adds shine, smoothness, & body for visibly healthier hair in 10 minutes. Nº.9 (3 oz) Bond Protector- Nourishing, hair serum, protects, softens, and improves manageability of all hair types