The amount of oil a person's skin contains is under genetic and hormonal control. Sebum is beneficial, as it protects the skin from over-drying, regulates water content, and balances skin pH. Some skin care experts are proponents of special "oily-skin diets," high in consumption of fresh, whole foods, with lower intake of sugar, fat and preservatives.

For many, a light dusting of powder may do the trick. Help For Oily Skin "Just let me powder my nose." As a woman, chances are you've repeated this phrase at least once. It is not, as once believed, brought on or aggravated by various foods.

Skin is a natural producer of oil, or sebum. However, some individuals-both male and female-may experience an over-production of sebum, which gives the skin an unwanted, slick appearance. But, since such diets would be of benefit to most everyone, regardless of skin type, that hypothesis is difficult. The natural oil in skin can work its way to the surface and create a "shiny" appearance.

For others, intensive skin care regimens are required to keep oil at a minimum.

Though what we consume-especially water-can affect skin's appearance, there is little evidence connecting greasy food to oily skin.