Details For damaged hair in need of instant repair, Moroccanoil Restorative Hair Mask is a 5–7-minute revitalizing treatment that reconstructs hair and infuses protein back into strands that have been damaged by chemical treatments or heat styling. Its high-performance, deeply restorative formula is rich in argan oil, shea butter and reparative proteins that restore hair's elasticity and rebuild its strength from the inside out How-To After shampooing, apply a generous amount of Moroccanoil Restorative Hair Mask to towel-dried hair and comb through. Let product absorb for 5–7 minutes. Rinse thoroughly. This mask is highly reparative to the internal structure of the hair and should be sealed in afterward with a conditioner. Use once a week and less frequently as hair’s health improves. Here’s a hair tip for thick, coarse hair: Combine approximately 1 teaspoon of Moroccanoil Treatment for added shine and elasticity.