Filtered Far-UVC Light Causes Minimal DNA Damage to Human Skin

Researchers explored the effects of filtered Far-UVC light (222 nm) on human skin using both ex vivo full-thickness skin models and in vivo self-exposures.

• • CPDs (markers of DNA damage) were detected only in the most superficial epidermal layers.
  • Findings align with prior in silico models, confirming that Far-UVC at 222 nm does not penetrate deeper skin layers.
  • Evidence supports the safety and germicidal efficacy of filtered Far-UVC as a revolutionary decontamination technology.

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