It's a typical scenario: You're looking for a new beauty product and find one that calls out an ingredient you actually know. Retinol -- you're sold! You probably won't even bother reading the ingredient list on the back because you can't decipher those long scientific-looking names. But have you ever wondered what they mean and which ingredients are bad for your skin? We break it down for you. The bad, the controversial and where you'll find these sneaky ingredients.read more