Despite its widespread presence in household and beauty products, many consumers remain unaware of the dangers of ...

The five most commonly used chemicals in this category are quaternium-15, dimethyl-dimethyl (DMDM) hydantoin, imidazolidinyl urea, diazolidinyl urea, and 2-bromo-2-nitropropane-1,3-diol (bronopol).

The class action lawsuit, led by Lipetz, seeks to represent all customers of TRESemmé who have suffered similar damage. His lawyers estimate that there are “thousands, if not hundreds, of thousands” ...