Technology
7 min read
LED Face Masks: What They Do and If They're Worth the Hype
RTE.ie
January 21, 2026•1 day ago

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LED face masks, popular for skincare, utilize light-emitting diodes. Dermatologist Dr. Rosemary Coleman states they do not reverse aging but can improve complexion with consistent, correct use. She recommends cleaning skin beforehand and wearing SPF. While red light is common, effectiveness depends on device quality, wavelength, and intensity, not just price.
Dr Rosemary Coleman, Consultant Dermatologist at Blackrock Clinic, joined Today with David McCullagh on RTÉ Radio 1 to discuss LED face masks. Listed back above.
LED face masks have been around for decades, but their popularity has noticeably spiked in recent years.
Harnessing the power of light-emitting diodes, the masks have become a staple of beauty influencers and skincare gurus alike, with many claiming that the gadgets have transformed their skin for the better.
However, Dr Coleman is quick to note that many users have "unrealistic expectations" of the machines: "They don't reverse lines, they don't get rid of jowels or tighten the skin".
If used correctly, though, she says they may lead to a "fresher and more radiant complexion".
Consistent use is key, she adds, recommending that the mask should be worn at least two to three times per week for about 10 minutes at a time.
"It's very relaxing to do it," she notes. "You can have the mask on while you're watching TV, and it's quite mood-lifting."
Dr Coleman suggests having clean skin before wearing the mask - wipe your face with a wet muslin cloth to ensure there's no traces of products remaining - and wearing SPF before going outdoors (whether you're using the mask or not).
Although red, blue, and near-infrared LED lights are available, red is the most commonly used, as it is considered a kind of cosmetic supplement for people with average skin.
"They do not replace good skincare," she insists. "They're not magic, but that being said, used properly, they can help. How well they work will depend on the quality of the device."
When looking at machines, you should be looking into the wavelength and intensity of the light, and not just the price: "Some masks are totally gimmicks, and they run into the thousands".
Although the average mask won't come cheap - likely costing a few hundred euros - they should last for years to come. Dr Coleman also suggests getting your money's worth by using the mask on different parts of the body.
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