Cells Being Exposed to a UV Nail Polish Dryer Researchers at UC San Diego studied the UV light-emitting devices used to cure gel manicures, and found that the chronic use of these nail polish drying machines is damaging to human cells. Credit: David Baillot/ UC San Diego Jacobs School of Engineering The ultraviolet nail polish drying devices used to cure gel manicures may pose more of a public health concern than previously thought. Researchers at the University of California San Diego studied these ultraviolet (UV) light-emitting devices, and found that their use leads to cell death and cancer-causing mutations in...