Garnier Fructis Keratin Sleek Mask is a hair mask for dry and frizzy hair. The formula adds radiant and long-lasting shine while instantly smoothing the hair fibers. Enriched with keratin complex* and argan oil for a smooth and shiny result that lasts for 3 days**. Fructis Keratin Sleek hair mask is step 3 in a complete routine that provides a smooth and shiny hair result that lasts up to 10 days and through 5 washes****. • Smoothes the hair fibers • Counteracts frizz and boosts hair shine • Provides a smooth and shiny result that lasts for 3 days** • Enriched with smoothing keratin complex and argan oil • Counteracts frizz and provides 93% more shine*** • Inspired by keratin treatments • Follow the hair care routine from Keratin Sleek for a lasting*** smooth and shiny result. *Plant-based Keratin **Instrumental test after using shampoo + conditioner + mask as leave-on, or after shampoo + conditioner + hair serum. ***Instrumental test after one application of shampoo and conditioner in the same series ****After using serum in the same series