Hope in a Jar: Do Skin Creams Work? Well if you're skeptical about what you read about skin creams, you're not alone. Not surprisingly, some doctors also question the claims and the promises. http://img.webmd.com/dtmcms/live/webmdNone Hope in a Jar: Do Skin Creams Work? New antiaging skin creams claim to do as much as a medical procedure -- but can they? Doctors explain.