Walnuts help in delaying skin ageing by lowering stress levels. Its oil helps to nourish the skin from within, enhancing the growth of healthier and radiant cells. It is also known to lighten dark circles. Walnuts are a good source of potassium and omega acids that strengthen the hair follicles and prevent balding. It is widely suggested as a natural anti-dandruff agent and helps to maintain a healthy scalp.