All Oils Are Not Created Equal—Here's Why

It doesn't take a biophysicist to know that incorporating oils into your beauty routine soothes chapped skin, fights frizz, and combats dryness—especially in the winter. But did you know that different types of oils do different things? If you look under a microscope, some oils are made up of large molecules, while others are made up of smaller ones. And when it comes to getting what you want out of your oil, it turns out size matters.