LED face masks · head to head

Dr. Renú SpectraLift™ Advanced vs
Silk’n LED Face Mask 100

Two of the nine LED face masks in our comparison table, side by side. Every figure below is one the manufacturer publishes itself; where a brand stays silent the cell says so.

The short answer

The Dr. Renú SpectraLift™ Advanced emits at 465 nm, 530 nm, 630–660 nm, 850 nm. The Silk’n LED Face Mask 100 emits at 463 nm, 592 nm, 633 nm. The Dr. Renú SpectraLift™ Advanced covers both red and near-infrared, the two ranges with the strongest published evidence for skin; the Silk’n LED Face Mask 100 does not.

Only the Dr. Renú SpectraLift™ Advanced publishes an irradiance figure (26.9–50.0 mW/cm² by mode · red/NIR 38.4–42.6). The Silk’n LED Face Mask 100 does not, so the dose the two masks deliver cannot be compared.

Side by side

The specifications

Manufacturer-published specifications, checked 2026.
Specification Dr. Renú SpectraLift™ Advanced Silk’n LED Face Mask 100
Wavelengths465 nm530 nm630–660 nm850 nm463 nm592 nm633 nm
LEDs280100
Published irradiance26.9–50.0 mW/cm² by mode · red/NIR 38.4–42.6Not published
Dose per sessionup to 30 J/cm²—
Session~10 min~10 min
Modes9 selectable modes4 colours
RegulatoryFDA 510(k) K253712, Class II · CE · ISO 13485 · IEC 60601 · IEC 62471CE marked cosmetic device — no FDA clearance for this model
FitFlexible silicone, 300 gSemi-rigid
PowerRechargeable 2000 mAh USB-CRechargeable, ~130 min runtime
Price (EU)€279.00€160.00

“Published irradiance” means the brand prints an output figure on its own product page. “FDA cleared” is not “FDA approved” — see the questions below.

Where they differ

Wavelengths
The Dr. Renú SpectraLift™ Advanced emits at 465 nm, 530 nm, 630–660 nm, 850 nm. The Silk’n LED Face Mask 100 emits at 463 nm, 592 nm, 633 nm. The Dr. Renú SpectraLift™ Advanced covers both red and near-infrared, the two ranges with the strongest published evidence for skin; the Silk’n LED Face Mask 100 does not.
LED count
The Dr. Renú SpectraLift™ Advanced carries more diodes: 280 against 100. Diode count sets how evenly light reaches the face — a coverage figure, not an efficacy figure.
Published irradiance
Only the Dr. Renú SpectraLift™ Advanced publishes an irradiance figure (26.9–50.0 mW/cm² by mode · red/NIR 38.4–42.6). The Silk’n LED Face Mask 100 does not, so the dose the two masks deliver cannot be compared.
Regulatory
The Dr. Renú SpectraLift™ Advanced prints a searchable 510(k) number (K253712); the Silk’n LED Face Mask 100 states its clearance without printing one. These devices are FDA cleared, not FDA approved — clearance is a safety and manufacturing signal, not proof of results.
Session and modes
The Dr. Renú SpectraLift™ Advanced runs ~10 min per session (9 selectable modes). The Silk’n LED Face Mask 100 runs ~10 min (4 colours).
Fit and power
Dr. Renú SpectraLift™ Advanced: flexible silicone, 300 g; rechargeable 2000 mAh USB-C. Silk’n LED Face Mask 100: semi-rigid; rechargeable, ~130 min runtime.

Evidence notes

What the specifications don’t tell you

Dr. Renú SpectraLift™ Advanced

The Dr. Renú SpectraLift™ Advanced uses 280 LEDs at 465 nm, 530 nm, 630–660 nm, 850 nm, in sessions of ~10 min.

Publishes nine mode-level irradiance measurements and names the EVERFINE HAAS-1200 spectroradiometer. Its published maximum is 50.0 mW/cm². This is technical documentation, not independent clinical proof.

Silk’n LED Face Mask 100

The Silk’n LED Face Mask 100 uses 100 LEDs at 463 nm, 592 nm, 633 nm, in sessions of ~10 min.

A cosmetic device rather than a certified medical one. Its 463 nm and 592 nm are less evidence-backed than the core red and near-infrared.

Questions

Common questions

What is the main specification difference between the Dr. Renú SpectraLift™ Advanced and the Silk’n LED Face Mask 100?

The Dr. Renú SpectraLift™ Advanced emits at 465 nm, 530 nm, 630–660 nm, 850 nm. The Silk’n LED Face Mask 100 emits at 463 nm, 592 nm, 633 nm. The Dr. Renú SpectraLift™ Advanced covers both red and near-infrared, the two ranges with the strongest published evidence for skin; the Silk’n LED Face Mask 100 does not.

Only the Dr. Renú SpectraLift™ Advanced publishes an irradiance figure (26.9–50.0 mW/cm² by mode · red/NIR 38.4–42.6). The Silk’n LED Face Mask 100 does not, so the dose the two masks deliver cannot be compared.

Which has more LEDs, the Dr. Renú SpectraLift™ Advanced or the Silk’n LED Face Mask 100?

The Dr. Renú SpectraLift™ Advanced carries more diodes: 280 against 100. Diode count sets how evenly light reaches the face — a coverage figure, not an efficacy figure.

Are the Dr. Renú SpectraLift™ Advanced and the Silk’n LED Face Mask 100 FDA cleared?

Dr. Renú SpectraLift™ Advanced: FDA 510(k) K253712, Class II · CE · ISO 13485 · IEC 60601 · IEC 62471. Silk’n LED Face Mask 100: CE marked cosmetic device — no FDA clearance for this model. Clearance under section 510(k) means the manufacturer showed substantial equivalence to a device already on the market and met safety standards — it is not FDA approval, and it is not evidence of efficacy.