What it is: A concentrated reparative mask to treat dry or damaged hair for weightless moisture, smoothness, body, and shine. OLAPLEX Bond Building Technology™is proven to relink disulfide bonds damaged by chemical services, heat, and styling. Hair Type: Fine, Medium, and Thick Hair Texture:Coily, Curly, Straight, and Wavy Hair Concerns:- Dryness- Frizz- Straightening and Smoothing Key Benefits: - 2x the shine- 4x the moisture- 6x smoother Highlighted Ingredients:- Bis-Aminopropyl Diglycol Dimaleate: Patented and proven technology to repair broken bonds for stronger hair. Ingredient Callouts: It is vegan and cruelty-free. What Else You Need to Know: This is a deeply conditioning, reparative mask treatment for dry or damaged hair. It penetrates hair and seals in active ingredients by smoothing the cuticle for lasting efficacy. This mask also rinses clean for weightless moisture, smoothness, body, and shine that last through multiple washes and is good for all hair types. Clinical Results: In a consumer test with 80 people:- 94% saw more body OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.