New Issue: Orbital Catastrophe Ahead? Read Now

Some Nail Salon Dryers Bombard Skin with UV

Just a few nail drying sessions under the highest output UV bulbs used in some salons could age the skin and bump up the risk of skin cancer. Dina Fine Maron reports

 

Join Our Community of Science Lovers!


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


You just got your nails done at a salon, and now they’re drying under an ultraviolet lamp. They’ll look great. But exposure to UV radiation could prematurely age your hands and even potentially boost your risk of skin cancer.
 
Researchers found that the output from such nail salon dryers is highly variable. They measured the amount of irradiation from dryers with different bulbs across 16 salons. Higher-wattage lamps emitted higher levels of harmful UV.

The researchers assumed an eight-minute UV exposure each time. The damage to DNA from UV exposure is cumulative. So salon customers sitting under the highest-intensity nail dryer just eight times in two years could reach the threshold for DNA damage associated with cancer. In contrast, users of the lowest-emitting dryer would need more than 200 visits over a half century.  The study is in the journal JAMA Dermatology. [Lyndsay R. Shipp et al, Further Investigation Into the Risk of Skin Cancer Associated With the Use of UV Nail Lamps]

The small study needs to be replicated on a large scale to be confirmed. But for now, the researchers advise salon-goers to load up on sunscreen or wear UV-blocking gloves with the fingertips lopped off before going under the lamp. Maybe just air dry. Oh, and try not to breathe the nail polish fumes either.

—Dina Fine Maron

[The above text is a transcript of this podcast.]
 

Subscribe to Support Independent Journalism

Great science journalism requires human expertise, time, effort and creativity. And it costs money. That’s why I and the journalists here at Scientific American hope you’ll join our community.

When you subscribe, you are supporting staff and freelance journalists who are passionate about telling science stories that are true, important and compelling. Our editors and reporters are often experts in their fields, which means they understand the nuances of big discoveries and can untangle the breakthroughs from the hype. With a subscription, you are also supporting rigorous fact-checking to ensure the words we publish are precise and accurate. And you’re supporting original illustrations, graphics and photos that bring you closer to an advanced laboratory, an ice sheet in Antarctica or a space mission in orbit. You’re helping us craft other types of high-quality journalism as well: Our newsletters are carefully written, edited and curated by staffers you have or will come to know and love. Our Science Quickly podcast is based on original reporting, collaboration with editors and scientists and exacting production.

Subscriptions keep this engine running so we can continue to deliver thoughtful, rigorous and independent science journalism to you. In an era of viral misinformation, this work is crucial. If you value what we do, I hope you’ll consider joining us as a subscriber

Thank you,

Jeanna Bryner, Editor in Chief, Scientific American

Subscribe