Highly rated by customers for softness, smell, and satisfaction. A hydrating strengthening shampoo that repairs and leaves hair healthier, smoother, and shinier with each use. Proven to reduce breakage and strengthen all hair types. Suitable for fine, medium, and thick hair and all hair textures including straight, wavy, curly, and coily. Key benefits include gentle cleansing, nourishment, hydration, damage repair, and hair health maintenance. Contains a gentle blend of coconut oil-derived surfactants and conditioning agents such as glycerin and cetearyl alcohol. The product is vegan and cruelty-free with a light, clean, fresh citrus fragrance featuring grapefruit and mint notes. It is recommended to use with Olaplex No. 5 Bond Maintenance Conditioner for best results. Available in standard (8.5 oz / 250 mL), mini (3.3 oz / 100 mL), and value (17.75 oz / 525 mL) sizes. Price is $32.00 with a 5% discount for auto-replenish subscribers. Clinical results include 73% smoother and more conditioned hair, 49% reduction in breakage, and 90% easier detangling when used as a system with No. 3, No. 4, and No. 5.