Skin aging / wrinkles
Home-use 637 and 854 nm LED facial rejuvenation split-face pilot study
Ng JNC, Wanitphakdeedecha R, Yan C. Journal of Cosmetic Dermatology. 2020.
A 24-person split-face pilot study tested a home-use LED device for photoaging skin using combined 637 nm and 854 nm light.
Evidence grade
low
Effect direction
positive
Panel relevance
panel-replicable
Key findings
- The treated side showed significantly higher skin elasticity at 6 and 8 weeks than the untreated control side.
- Texture improvement was noted at 8 weeks by imaging assessment.
- No adverse reactions or pain were recorded.
Protocol details
| Wavelengths | 637, 854 nm |
|---|---|
| Irradiance | Not reported mW/cm2 |
| Fluence | Not reported J/cm2 |
| Session time | Not reported minutes |
| Frequency | Twice weekly |
| Duration | 8 weeks |
| Treatment area | One side of the face |
| Device type | Home-use LED facial device |
Caveats
- Pilot sample size was small and split-face rather than a large sham-controlled trial.
- Funding and device-specific design can limit generalization to all masks or panels.