You’ve probably heard of retinol, but you may not know what the powerful skincare ingredient is for. And, we wouldn’t blame you. It’s generally touted as one of the most potent ingredients in combating the signs of aging (which we’re not worrying about quite yet), but did you know it’s also an amazing acne fighter? Thought not. We had a lot of questions about this powerhouse ingredient, so we put it to the pros. First though, what is retinol? Retinoids, including retinol, are derivatives of vitamin A. “Retinol” refers to the only form of the ingredient that is non-prescription, aka: available without a trip to the dermatologist.