Core Information
- Light-source type, central wavelength, full width at half maximum and spectral graph
- Irradiance, energy density, distance and exposure duration
- Skin-surface temperature rise, photobiological safety and abnormal-condition protection
- Intended purpose and e-commerce claims
Products marketed under the same term—such as “light therapy” or “beauty lamp”—may have entirely different parameters, purposes and risks. Assessment must be based on the actual device.