- Wavelengths
- The CurrentBody Skin LED Mask Series 2 emits at 633 nm, 830 nm, 1072 nm. The Dr. Renú SpectraLift™ Advanced emits at 465 nm, 530 nm, 630–660 nm, 850 nm. Both cover red and near-infrared, the two ranges with the strongest published evidence for skin.
- LED count
- The Dr. Renú SpectraLift™ Advanced carries more diodes: 280 against 236. Diode count sets how evenly light reaches the face — a coverage figure, not an efficacy figure.
- Published irradiance
- Both publish an output figure: the CurrentBody Skin LED Mask Series 2 states ~30 mW/cm², the Dr. Renú SpectraLift™ Advanced states 26,9–50,0 mW/cm² por modo · rojo/NIR 38,4–42,6. Only four of the nine masks this site compares publish one at all.
- Regulatory
- The Dr. Renú SpectraLift™ Advanced prints a searchable 510(k) number (K253712); the CurrentBody Skin LED Mask Series 2 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 CurrentBody Skin LED Mask Series 2 runs 10 min per session (programa automático único). The Dr. Renú SpectraLift™ Advanced runs ~10 min (9 modos seleccionables).
- Fit and power
- CurrentBody Skin LED Mask Series 2: silicona flexible; controlador con clip recargable. Dr. Renú SpectraLift™ Advanced: silicona flexible, 300 g; recargable, 2000 mAh, USB-C.