Jan 17, 2023

Study finds that UV-emitting nail polish dryers damage DNA and cause mutations in cells

Posted by in categories: bioengineering, biotech/medical, chemistry, health

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 have studied these ultraviolet (UV) light emitting devices, and found that their use leads to cell death and cancer-causing mutations in human cells.

The devices are a common fixture in nail salons, and generally use a particular spectrum of UV light (340-395nm) to cure the chemicals used in gel manicures. While use a different spectrum of UV light (280-400nm) that studies have conclusively proven to be carcinogenic, the spectrum used in the nail dryers has not been well studied.

“If you look at the way these devices are presented, they are marketed as safe, with nothing to be concerned about,” said Ludmil Alexandrov, a professor of bioengineering as well as cellular and at UC San Diego, and corresponding author of the study published in Nature Communications. “But to the best of our knowledge, no one has actually studied these devices and how they affect at the molecular and cellular levels until now.”

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