"There is a theory that high-glycemic foods can increase inflammation in the body, which, in turn, can trigger acne flares in persons who are have a underlying predisposition to this type of acne," she said. "Consider cutting out sugar-rich, hyper-processed foods, like candy, cakes, and regular soda for a month or two and see if it reduces your flares."
Although there isn't as much research connecting sugar to acne as there is with dairy, it's worth cutting out refined sugar from your diet for at least two weeks to see how it affects your skin.