If California’s Department of Toxic Substances Control is waiting for a reason to take action against nail-care manufacturers under the state’s Safer Consumer Products (SCP) regulation, a new study from researchers at the Harvard T.H. Chan School of Public Health could have just delivered it.
According to authors Anna Young, et al., popular nail polish brands are using inadequately tested plasticizers, suspected endocrine disruptor triphenyl phosphate (TPHP) and undeclared di(2-ethylhexyl) phthalate (DEHP) in nail polishes to compensate for the loss of dibutyl phthalate (DBP), which fell out of favor at least a decade ago