A wholesome diet, sensible sun exposure and not smoking are key to a healthy skin. A low Glycaemic Index (GI) diet helps keep blood glucose levels normal and thereby lowers the risk of acne. Eating plenty of fresh produce like mushrooms, vegetables and fruit is good for the health of your skin and hair. Essential nutrients in mushrooms specifically help to keep skin and hair healthy. They are selenium, copper, biotin, niacin and riboflavin.