ARGAN CARE HAIR MASK with ARGAN OIL This unique Argan Oil Hair Mask strengthens hair that needs extreme and deep conditioning. Indicated for all hair types, it nourishes hair and moisturizes it from deep inside. Hair is left detangled, protected from environmental damage, strong and naturally shiny. How TO Use : It is applied to damp hair after using shampoo, left for 20 minutes, and then rinsed with water.