If your skin is oily, you may be bothered by the shine, greasy texture, and breakouts. But don’t blame the foods you’re eating. “There is no data to show that you will produce more oil if you consume things that are more oil-based,” says Rebecca Kazin, MD, an assistant professor of dermatology at Johns Hopkins University and medical director of the Johns Hopkins Cosmetic Center in Baltimore. “The fact is that people who have oily skin were probably born that way. There is not much they did to get it and there is not much they can do to prevent it.” Oily Skin Care Dos The good news is there.