Myth: There’s really nothing you can do about oily skin
Even though certain skin types may always be prone to producing excess oil, there are still proven ways to decrease oil production and maintain clear skin. Dr. Garber suggested individuals with oily skin types begin by trying topical witch hazel as a toner. For those needing more aggressive methods, she advised making an appointment with a dermatologist to discuss the possibility of using prescription medicine to slow oil production. This is the worst skin-care advice dermatologists have heard.
Myth: Oily skin is caused by a high-fat diet
iStock/Eva Katalin Kondoros
There is no research to back up the claim that a high-fat diet is to blame for oily skin, according to Dr. Garber. The truth is that oily skin is caused by excessive production of sebum by large sebaceous glands, according to the Journal of Skin Pharmacology and Physiology.