What it is: A volumizing in-shower hair mask to hydrate and volumize fine-to-medium hair without weighing it down, sealing the cuticle for up to five washes. Hair Texture: Straight, Wavy, Curly, and Coily. Hair Type: Fine, Medium, and Thick. Key Benefits: - Lightweight hydration for up to five washes. - Reduces and prevents breakage even after five washes. - Instant volume that lasts all day. Highlighted Ingredients: - Biomimetic Cuticle Technology: Seals cuticles up to five washes and prevents cuticle damage. - Volume Boost Complex: Volumizes instantly and prevents snapping and breakage for length and body retention. Ingredient Callouts: Free of parabens, phthalates, and sulfates SLS & SLES. It is also vegan and cruelty-free. What Else You Need to Know: This instantly volumizing hair mask for fine hair and medium hair locks in lightweight hydration and seals the hair cuticles for up to five washes. It immediately boosts shine, reduces breakage, and helps prevent snapping wash after wash to support length retention over time. Fragrance Description: Olaplex’s signature scent is a light, clean, and subtly sweet fresh-citrus scent with notes of grapefruit and mint. Clinical Results: -. 2X volume instantly and all day on virgin hair. - 2X hydration instantly with 75% retention after 5 washes. - 32% reduction in breakage instantly with protection up to 5 washes. Size: 6.8 FL OZ. Color: None. Gender: unisex. Age Group: adult.