Infused with patented OLAPLEX Bond Building technology, this highly concentrated 4-in-1 reparative mask adds shine and body while providing intense moisture to treat damaged hair.Dispensing one dose at a time through its airless pump, no.8 is a 10 minute treatment.Use weekly for best results. Suitable and beneficial for all hair types.VeganCruelty FreeGluten Free, Nut FreeParaben Free, Sulfate FreePhthalate Free, Phosphate FreeColour SafePH BalancedHow to use:Apply to clean, damp hair mid-length to ends. Use sparingly on roots and work through with fingers. Leave on for 10 minutes then rinse fully and style as usual. Start with 2 pumps for shoulder-length hair. Use more for longer, thicker hair and less for fine or short hair.For the deepest repair possible at home use with Olaplex No.0 Intense Bond Building Hair Treatment and No.3 Hair Perfector once a week or as needed.