ETERNO

Most LED masks press warm plastic against your face for twenty minutes. This one doesn't touch you at all — which is the whole reason people keep wearing it.

Updated · Prices checked

ETERNO

$249.99

A mask that never touches your face. Red, yellow, green.

20% off with code CHRISTOPHE69533

See it at EMR-TEKShips duty-free to the UK · 30-day returns · affiliate link

Living with it

The thing that decides whether a face mask gets used is whether wearing it is pleasant, and most aren't. A silicone shell moulded to your face traps heat, slides around, and needs wiping down after every session.

The ETERNO is rigid and holds the lights 3mm clear of your skin. Nothing presses, air moves, and there's no warm plastic against your cheeks for twenty minutes. There's an adjustable strap so it sits without clamping, and you wipe the outside rather than the bit that touched you — because nothing did.

It's hands-free, so you can wear it while doing something else, and that is the whole game with masks. Twenty minutes lying still with your eyes shut is a commitment. Twenty minutes on the sofa while something plays in the background is just an evening. The masks that get abandoned are the ones that make you stop your life to use them.

Two things nobody warns you about. It glows — properly glows — so the room lights up red and anyone walking in will say something. And with a rigid shell there's a fit question a moulded mask doesn't have: it sits on a range of face shapes, but it sits on them rather than moulding to them, so if you have strong features or wear glasses you'll be adjusting the strap the first few goes.

Who it's for

Buy it if your interest is your face and you'd never realistically stand in front of a panel. A mask you'll wear beats a panel you won't.

Don't expect it to replace one. There's no near-infrared here — it's a skin-focused wavelength set, at close range, for your face only. If you also want to point something at a knee, the Firewave is the same price and does that instead.

The numbers

Price $249.99
Red 630nm + 660nm
Yellow 580nm
Green 525nm
Blue None
Gap to skin 3mm
380nm — 950nm. Dashed markers are near-infrared: they do real work and emit no visible light, which is why a panel’s brightness tells you almost nothing about its output.

No blue channel, which is deliberate and unusual — most masks include one. EMR-TEK's own line is that this isn't "the single-red or red/blue pair most LED masks ship with."

Red is two of the four wavelengths, which is how a four-wavelength mask has only three colours. Low flicker, low EMF, wipe-clean shell.

Check the current ETERNO priceAffiliate link · EMR-TEK · ships from Toronto, Canada · priced in USD20% off with code CHRISTOPHE69533

Ships duty-free to the UK, free shipping over $145, thirty-day returns and a one-year warranty. What it converts to in pounds.

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