Minimal, superficial DNA damage in human skin from filtered far-ultraviolet C

R. P. Hickerson, M. P. Conneely, S. K. Hirata Tsutsumi, K. Wood, D. N. Jackson, S. H. Ibbotson, Ewan Eadie (Lead / Corresponding author)

Research output: Contribution to journalLetterpeer-review

23 Citations (Scopus)
275 Downloads (Pure)


Krypton‐Chloride (Kr‐Cl) excimer lamps have a peak emission wavelength of 222 nm in the ultraviolet‐C (UV‐C) region of the electromagnetic spectrum. Currently Kr‐Cl lamps are the only viable “far‐UV‐C” sources for full‐room inactivation of airborne SARS‐CoV‐2, the virus responsible for the COVID‐19 pandemic1. Commercially available Kr‐Cl excimer lamps can be retro‐fitted to existing room lamp fittings or mounted at ceiling height independently. Other technologies, such as light emitting diodes (LEDs), are currently neither efficient nor powerful enough for such a task.

Original languageEnglish
Pages (from-to)1197-1199
Number of pages3
JournalBritish Journal of Dermatology
Issue number6
Early online date16 Jan 2021
Publication statusPublished - Jun 2021


  • Correspondence
  • Research letter

ASJC Scopus subject areas

  • Dermatology


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