The Facts for a Clear Complexion Cathy Ulrich A scourge of teenagers and adults alike, acne is one of the least understood of all skin conditions–and one of the most common. Usually associated with youth, acne can last well into the adult years and sometimes throughout life. It’s tough to treat, especially if approached as a dirty skin problem. And if not cared for properly, acne can produce scarring on the face and body that is difficult, if not impossible, to clear. Let’s look at some of the myths surrounding acne and replace them with the facts.Myth: Any skin condition that causes pimples, blackheads, and redness is a form of.