What it is: This moisturizing leave-in provides instant results and continuous repair and protection from cortex to cuticle. No.5LEAVE-IN immediately seals split ends and promotes visibly healthier hair after one use. Go beyond hydration with OLAPLEX Bond Building Technology™ and High-Adhesion Sealing Complex. Hair Texture: Straight, Wavy, Curly, and Coily Hair Type: Medium and Thick Hair Concerns: - Damage, Split Ends, and Breakage - Dryness - Shine Key Benefits: - Quickly hydrates, softens, and detangles - Immediately seals split ends - Continuously repairs and prevents damage from styling and heat up to 450°F Highlighted Ingredients: - High-Adhesion Sealing Complex: Immediately and continuously addresses split ends. - Hydramino Replenishing Blend: Hydrates, conditions, detangles, and adds shine. - Future-Damage Shield: Cares for hair and prevents damage from styling and heat up to 450°F. Ingredient Callouts: Free of parabens, phthalates, and sulfates SLS & SLES. It is also gluten-free, and cruelty-free. What Else You Need to Know: Go beyond hydration with Olaplex’s Bond Building Technology™ and High-Adhesion Sealing Complex. This moisturizing leave-in conditioner delivers immediate results, as well as continuous care and protection—from cortex to cuticle. It seals split ends and leaves hair looking healthier after just one use.