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Lamps · Updated October 2026

Are UV nail lamps safe? What the 2023 study found

A 2023 lab study raised questions about UV nail dryers. Here's what it found, what it can't tell us, and simple precautions.

Updated October 2026

Unbranded coral, nude and plum gel polish bottles, a white nail lamp, a glass file and cotton pads on stone
Product comparison
#ProductGood forNotes
P18OPI Nail Lacquer Top CoatRegular polish, no lampClassic OPI top coat for shine and chip resistance on regular polish.
P19essie Gel Couture Longwear Nail Polish KitGel look, no lampGel-look shine with no lamp needed (color + top coat).
P15Glamnetic Press On Nails, Short Almond Glossy (24 pc)Press-ons, no lampPopular press-on brand; glue included.

How we chose

We picked well-known salon brands and popular at-home options for each job, and wrote down what each one is for. We haven't tested all of these ourselves yet — when we do, we'll add our own photos and notes here.

What the 2023 study found

In January 2023, researchers at UC San Diego and the University of Pittsburgh published a study in Nature Communications that exposed human and mouse cells to a UV nail dryer. One 20-minute session killed 20–30% of the cells; three consecutive daily 20-minute sessions killed 65–70%, and surviving cells showed DNA and mitochondrial damage.

It was a cell study. The authors say it can't prove nail lamps cause skin cancer, and that large long-term studies are needed.

A hand curing gel polish under a UV/LED nail lamp
A hand curing gel polish under a UV/LED nail lamp Photo via Pexels

How to protect your skin

Fingerless UV gloves (#S16) cover the backs of your hands under the lamp. More on protecting hands: anti-aging hands: crepey skin, age spots & SPF.

Illustrative photo: Plain black fingerless gloves beside a coral polish bottleS16Illustrative photo
Skin

MelodySusie Fingerless UV Protection Gloves for Gel Manicures

Fingerless gloves worn under a nail lamp.

Check price on Amazon
Glossy red polish being applied during a manicure
Glossy red polish being applied during a manicure Photo via Pexels

LED vs UV

Most nail lamps sold as “LED” also emit UVA, just in a narrower band. LED lamps cure faster, so time under the lamp is usually shorter — but LED is not “UV-free”. Cure times by layer: how long to cure gel polish.

No-lamp alternatives

P18
Good for: Regular polish, no lampCare · Salon brand

OPI Nail Lacquer Top Coat

Classic OPI top coat for shine and chip resistance on regular polish.

Check price on Amazon
P19
Good for: Gel look, no lampGel at home · Salon brand

essie Gel Couture Longwear Nail Polish Kit

Gel-look shine with no lamp needed (color + top coat).

Check price on Amazon
P15
Good for: Press-ons, no lampPress-ons · Budget

Glamnetic Press On Nails, Short Almond Glossy (24 pc)

Popular press-on brand; glue included.

Check price on Amazon

Still want gel? Read UV/LED nail lamps: how to choose.

FAQ

Do UV nail lamps cause cancer?

It has not been proven. A January 2023 Nature Communications cell study found UV nail dryer exposure killed cells and damaged DNA in surviving human and mouse cells, but the authors say it cannot prove lamps cause skin cancer and that large long-term studies are needed.

Are LED nail lamps safer than UV?

LED lamps are not UV-free: most LED nail lamps also emit UVA, in a narrower band. They cure faster, so time under the lamp is usually shorter.

How can I protect my skin under a nail lamp?

The American Academy of Dermatology suggests broad-spectrum, water-resistant SPF 30+ before the manicure, or dark opaque gloves with the fingertips cut off, and gel manicures in moderation. The FDA advises limiting exposure to 10 minutes per hand. This is general information, not medical advice.

Sources

Miami prices: listed starting prices from salon booking pages on Fresha and Booksy, October 2026. Last updated October 2026.

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