Dimethylol-dimethyl (DMDM) hydantoin is a chemical used in a wide range of cosmetic products. While it can serve an important purpose in preventing the growth of bacteria and other microorganisms, ...

Many experts believe this chemical is safe in cosmetic and hygiene items, since they release only small amounts of formaldehyde in normal use. When you shampoo your hair, for example, the level of ...

Many people have started to pay closer attention to the ingredients in their skin and hair care products, thanks, in part, to the clean beauty movement. One particular ingredient, DMDM hydantoin, has ...

LOS ANGELES - A nationwide class-action lawsuit was filed against beauty conglomerate Unilever in November claiming that some of its Tresemmé products were allegedly causing hair loss. "Plaintiff ...

Johnson & Johnson’s OGX hair care products, which regularly show up on shelves at drugstores and major retailers, is the subject of a class-action lawsuit that claims the popular shampoos and ...

We'll unpack those claims in a minute, but in the meantime, let's break down the ingredient in question. "DMDM hydantoin is a preservative used to protect cosmetics from microbial spoilage throughout ...