21 Non-toxic Shampoos Without DMDM Hydantoin
Some shampoos contain a chemical called DMDM Hydantoin, which is a formaldehyde-releasing preservative. In this post, we’ll take a look at some of the harmful effects of DMDM Hydantoin such as scalp irritation, dryness, and even hair loss. It also talks about other potentially toxic ingredients to avoid when buying your shampoo.