We consider ourselves informed beauty consumers, always checking product labels and feeling proud of ourselves for memorizing the long list of toxic ingredients we should avoid. Though we by no means discriminate, we do cling to our favorite natural products in times of need, knowing that their 100% organic formulas will do us (and our skin) no harm—or will they? Recently, we found out some very interesting information about an ingredient in many natural beauty products: namely, essential oils. We’ve touted their many benefits ourselves, so it came as quite the shock when we realized they might not be as safe as they seem. Curious? Keep scrolling for all the details.