Your customers were probably told to wash their faces every night to prevent them from getting oily. It is often the first anti-breakout lesson most of us are taught as teens. We learned to view oil as clean skin’s natural enemy. But beauty rules are seldom black and white, and this story is far more nuanced. Although our bodies produce oil naturally, the amount decreases as we age. And we all know that a dry dermis is prone to wrinkles, fine lines and blemishes.