Propylene glycol is in tons of personal care items, like your shampoo, soap, moisturizer, deodorant, and toothpaste. You can even find it in your food and medicine. However, even though it’s a widely used chemical, a lot of people are wary of it. Propylene glycol acts as a penetration-enhancing agent. It alters the structure of … Continue reading What Is Propylene Glycol? Uses, Risks, and More