All items are guaranteed authentic, brand, new, and unopened OLAPLEX Bond Building Technology™ is proven to relink broken disulfide bonds damaged by chemical services, heat, and styling. OLAPLEX bundle includes 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 4C (8.5 oz) Bond Maintenance Clarifying Shampoo- Removes damaging, hair-dulling impurities, deeply cleanses without stripping or drying and improves color vibrancy, shine, and softness 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