Companies that make disposable and reusable period products like tampons, cups, pads and underwear aren’t required to list the chemicals they contain. This came into focus after popular period underwear brand Thinx settled a class action lawsuit that alleged the company’s marketing misrepresented the safety of the products. Reset learns from health experts Anna Pollack and Jhumka Gupta of George Mason University about the research that goes into ensuring these products are safe and accessible.