Keratin, Argan and Coconut Oil Hair MaskKeratin, Argan and Coconut Oil is one of the most amazing natural substances you can put into your hair. Packed with natural goodness, it leaves hair soft, shiny and well-nourished. Keratin, Argan and Coconut Oil is one of the most amazing natural substances you can put into your hair. Packed with natural goodness, it leaves hair soft, shiny and well-nourished.