Acne trigger differ from person to person. When it comes to acne, avoiding greasy foods and eating an unprocessed, unrefined diet that restricts alcohol, caffeine, and sugar appears to be beneficial to some people. It all depends on your hormones and how your body will react on these foods. A proper diet is still the foundation to maintaining a healthy and good skin. Water is the best foodstuff, however, for a cleansing. Since skin is made up of mostly water, hydrating the body by drinking sufficient water can have a remarkable effect on the improvement of the skin tone. It will also help cleanse toxins from your body.