What it is: A multi-benefit, reparative hair mask that moisturizes, smoothes and adds body and shine to hair.Who it's for: All hair types.What it does: Infused with patented Olaplex Bond Building technology, this highly concentrated reparative mask adds shine, smoothness and body while providing intense moisture to treat damaged hair. How to use: Apply to clean, damp hair from mid-length to ends, working through with your fingers. Leave on for 10 minutes. Rinse fully and style as usual. Start with two pumps for shoulder-length hair. Use more for longer, thicker hair, and less for fine or short hair. Use weekly for best results. 3.3 oz. Paraben-free; sulfate-free; phthalate-free; nut-free; phosphate-free; gluten-free; aldehyde-free; formaldehyde-free Cruelty-free Vegan Made in the USA