Using an app, participants photographed ingredient labels and sent them to researchers. Formaldehyde was present in several shampoos, body soaps, lotions and more. In fact, the cancer-causing chemical ...

Dispersive liquid–liquid microextraction (DLLME) and single drop microextraction (SDME) have emerged as innovative techniques for applying ILs in ME studies. (42,43) DLLME was first introduced by ...