“Formaldehyde-free” hair straightening treatments remain popular among many frizzy-haired folk who want the benefits of the “Brazilian Blowout” and other straightening treatments—without the harmful risks associate with formaldehyde. But these treatments aren’t necessarily any safer than their formaldehyde-based counterparts, cautions Nicole E. Rogers, MD, an assistant clinical professor of dermatology at Tulane University School of Medicine in New Orleans. She spoke during the annual meeting of the American Academy of Dermatology in Denver in March 2014.
Formaldehyde-free is a clever marketing term, not necessarily a chemical one, she says. These treatments often contain ch