LED masks look the same at first glance — a silicone frame full of diodes. The reality is that there are enormous differences in performance, safety and long-term durability. Here is what genuinely decides it.

1. Wavelengths: 633 nm and 830 nm are the baseline

Clinical studies on red light and skin most commonly use two wavelengths: 633 nm (visible red) penetrates 1–2 mm below the surface, stimulating fibroblasts and collagen production. 830 nm (near-infrared, NIR) goes deeper — 3–5 mm — affecting mitochondria and supporting tissue regeneration.

Premium masks (Omnilux, CurrentBody) combine both. Some add a third wavelength (1072 nm, 850 nm, 660 nm) — the additional effect is marginal, but it is not harmful. If a mask lists only one wavelength, or vaguely says "multi-colour" (blue, green, red) without specifying nanometres, skip it.

2. Irradiance (mW/cm²) and LED count

The real measure of power is mW/cm² at the skin surface. Clinically effective doses are 20–60 mW/cm² over a 10-minute session. Cheap masks often deliver 5–15 mW/cm² — meaning you need longer sessions and results are weaker.

LED count alone means nothing — 300 weak LEDs can be less powerful than 100 strong ones. Ask for the irradiance specification. If the manufacturer hides it, that tells you everything.

3. Certifications: FDA and CE are not the same

CE is a European conformity declaration — mandatory for EU sales, but essentially self-certified by the manufacturer. FDA clearance (specifically 510(k)) is the US route, which requires real clinical testing. Omnilux, CurrentBody, HigherDOSE and Mito Red have FDA. Almost no no-name mask from Alibaba does.

CE is sufficient for the EU market, but FDA is a strong signal that the device has been through real testing.

4. Ergonomics and eye safety

LEDs at close range can damage the retina. Every quality mask either has separate eye covers or comes with protective goggles. Check whether, with your eyes closed, you feel comfortable — some masks shine so intensely that even closed eyelids feel discomfort after 10 minutes.

Silicone versus hard plastic: silicone conforms to your face; a hard mask presses. Choose silicone if you have sensitive skin.

5. Long-term spare parts availability

LED diodes start losing brightness after 500 hours. Cables become saturated with sweat and cosmetics over the years. Batteries die. With Omnilux and CurrentBody you have authorised service centres and spare parts. With an Alibaba brand the company is effectively dead after 12 months — and there is nobody to call.

Not ready to commit blind?

Rent from us — the premium CurrentBody Series 2 or the more accessible Essential version. Complete an 8–12 week protocol and then decide whether spending 12,000 CZK on your own device makes sense.

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