According to a recent study, UV light can destroy cells and result in alterations frequently detected in skin cancer.
The UV light in the devices emits radiation four times stronger than that emitted by the sun, according to a study conducted by the University of California San Diego and Pittsburgh in the United States.
The study exposed cells to two different UV exposure conditions: acute and chronic. Cells subjected to acute exposure received three 20-minute UV dryer treatments on back-to-back days, with an hour between sessions.
The researchers discovered that a single 20-minute UV dryer exposure session caused 20–30% cell death, but three subsequent 20–minute exposure sessions caused 65–70% cell death.
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The exposure led to alterations in the remaining cells frequently found in skin cancer.
The study's authors also found that those who frequently get gel manicures using UV nail polish dryers, such as pageant contestants and estheticians, are at an increased risk of getting uncommon malignancies in their fingers.
One of the study's authors, Ludmil Alexandrov, a professor of bioengineering at UC San Diego, stated: "We found many things: we observed that some DNA damage is not permanently repaired and does result in mutations following each UV nail polish dryer exposure.
Finally, we discovered that exposure could lead to mitochondrial malfunction, which could bring about more mutations. The mutation patterns in skin cancer patients match precisely those in the irradiated cells, according to our examination of these patients' tumours.
