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4 Wavelengths (630 nm + 660 nm Red, 525 nm Green, 580 nm Yellow): Each wavelength interacts with skin tissue at a different depth — red and deep red penetrate further, green and yellow address the surface layer. One device, four wavelengths, no swapping panels.
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Zero-Contact Design — Floats 3 mm Above Skin: Rigid shell holds LEDs off the face entirely. No silicone trapping heat, no pressure on cheekbones, no bacterial transfer between sessions. Wipe-clean exterior.
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Pairs with Light Fusion Sheet-Mask Protocol: Apply the colour-matched Light Fusion sheet mask (15 min), then follow immediately with the matching Eterno wavelength. South-Korean-sourced sheet masks designed to prep the skin before each light session.
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Low EMF & Flicker-Free Operation: Engineered to minimize electromagnetic interference and eliminate visible flicker — two specs most LED masks on the market quietly ignore.
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Lightweight & Adjustable Fit: Secure head strap distributes weight evenly. Fits a wide range of face shapes without clamping or sliding. Hands-free for the full session.
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1-Year Warranty + Responsive Support: Backed by EMR-TEK's direct warranty and a support team that answers real questions (wavelength, protocol, replacement parts) — not a bot reading a script.
Most LED face masks fall into two camps. The cheap ones use a single red wavelength, sandwich your face in silicone, and overheat in ten minutes. The expensive ones give you an app, a carrying case, and a payment plan — but still use the same commodity LED chips.
The contactless shell isn't a design gimmick — it solves three real problems. First, silicone masks trap heat against the skin, which changes the session experience (and not in a good way). Second, direct-contact masks are a bacterial surface that's hard to fully sanitize between uses. Third, pressing LEDs flat against the face blocks airflow and creates uneven light distribution at the edges. The Eterno's 3 mm offset eliminates all three.
Then there's the Light Fusion protocol — a two-step routine that pairs South-Korean-sourced sheet masks with the Eterno's matching wavelengths. Apply the colour-matched sheet mask for 15 minutes, then follow immediately with the corresponding Eterno mode. At $174.30 with code EMR30, the Eterno sits well below competing multi-wavelength masks that charge $300–$600 for fewer wavelengths, silicone shells, and no protocol system.
