Ah, talc. The Cinderella of cosmetic ingredients. This humble mineral has spent centuries getting gussied up, sent to the beauty ball, and thoroughly maligned by suspicious onlookers who insist it’s hiding a dark secret. Talc is in everything from eyeshadow to deodorant to baby powder, and yet it’s more controversial than pineapple on pizza. Today, we’re going to powder our noses with knowledge and answer the age-old question: Is talc the unsung hero of your vanity or a villain lurking in your makeup bag? Spoiler alert: It’s a little of both. What Is Talc, and Where Does It Come From? Talc is a