A beautiful leave in Vegan Argan oil serum. Will leave the hair healthy-looking, smooth and shiny. Moroccan Argan oil is a rich, easily absorbed emollient and excellent for use as a leave-in hair moisturising/nourishing treatment. It is exceptionally rich in vitamin E and essential fatty acids to help moisturise, feed and protect from free radicals. Vanilla Scent. Apply a small amount to damp hair, then style. Our serum will also protect against the heat of driers.