Just one application of Moroccanoil Treatment increases hairs shine by up to 118%, according to an independent study. Argan Oil: Extremely rich in tocopherols (Vitamin E), essential fatty acids and antioxidants that hydrate and nourish the hair. Linseed Extract: Derived from flaxseed, a good source of alpha linolenic acidalso an essential fatty acid that helps improve the health of hair.