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Tested Extensively on Both
Humans and Animals -
MUCH Safer Than Sunlight
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Risk is Virtually Non-Existent, and ONLY THEORETICAL...
<1 in Quadrillion = .000000000001% -
When Tested at 10X Limit = Zero Harm
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When Tested at 30X Limit = Couldn't Even
Produce a Sunburn! -
Scientists Have NEVER Been Able to Harm a Human OR Animal With This Light!
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In a Lab AND in the Real World - This Light Has NEVER Caused Any Issues, Even in Long-Term Studies!
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We Don't Need Any MORE Long-Term Studies as Krypton Light Simply Can NOT Penetrate Your Skin! What Exactly Would You Be Looking for When it Physically Can't Enter the Body?
UV Light That Can NOT Hurt You!
Graphic: CBS News Covid-19-Pandemic-UV-C-Light (May 22,2022)
"Far UV... should be extremely safe for occupants for prolonged periods of time. The reason is physics. The amount of UV light simply does not penetrate human tissue sufficiently to cause serious health concerns."
"
Air Force National Guard: UV Light System Could Mitigate COVID Risk in Schools
(Dr. Ed Nardell from article - October 1, 2021)
Safety Studies
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No Evidence of Induced Skin Cancer or Other Skin Abnormalities after Long-Term (66 week) Chronic Exposure to 222-nm Far-UVC Radiation. https://onlinelibrary.wiley.com/doi/10.1111/php.13656 - Welch, D., Kleiman, N.J., Arden, P.C., Kuryla, C.L., Buonanno, M., Ponnaiya, B., Wu, X. and Brenner, D.J. (2022). Photochem Photobiol. https://doi.org/10.1111/php.13656
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Computer Modeling Indicates Dramatically Less DNA Damage from Far-UVC Krypton Chloride Lamps (222 nm) than from Sunlight Exposure. https://onlinelibrary.wiley.com/doi/10.1111/php.13477 - Eadie, E., O’Mahoney, P., Finlayson, L., Barnard, I.R.M., Ibbotson, S.H. and Wood, K. (2021). Photochem Photobiol, 97: 1150-1154. https://doi.org/10.1111/php.13477
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Wavelength-dependent DNA Photodamage in a 3-D human Skin Model over the Far-UVC and Germicidal UVC Wavelength Ranges from 215 to 255 nm. https://onlinelibrary.wiley.com/doi/10.1111/php.13602 - Welch, D., Aquino de Muro, M., Buonanno, M. and Brenner, D.J. (2022). Photochem Photobiol. https://doi.org/10.1111/php.13602
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Improved Spectral Purity of 222-nm Irradiation Eliminates Detectable Cyclobutylpyrimidine Dimers Formation in Skin Reconstructs even at High and Repetitive Disinfecting Doses. https://onlinelibrary.wiley.com/doi/10.1111/php.13594 - Ivanova, I., Svilenska, T., Kurz, B., Grobecker, S., Maisch, T., Berneburg, M. and Kamenisch, Y. (2022). Photochem Photobiol. https://doi.org/10.1111/php.13594
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Exposure of Human Skin Models to KrCl Excimer Lamps: The Impact of Optical Filtering†. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8247880/ - Buonanno M, Welch D, Brenner DJ. Photochem Photobiol. 2021 May;97(3):517-523. doi: 10.1111/php.13383. Epub 2021 Feb 5. PMID: 33465817; PMCID: PMC8247880.
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Effect of ultraviolet C emitted from KrCl excimer lamp with or without bandpass filter to mouse epidermis. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9064105/ - Narita K, Asano K, Yamane K, Ohashi H, Igarashi T, Nakane A. PLoS One. 2022 May 3;17(5):e0267957. doi: 10.1371/journal.pone.0267957. PMID: 35503791; PMCID: PMC9064105.
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​Ocular and Facial Far-UVC Doses from Ceiling-Mounted 222 nm Far-UVC Fixtures. https://onlinelibrary.wiley.com/doi/10.1111/php.13671 - Duncan, M.A., Welch, D., Shuryak, I. and Brenner, D.J. (2022). Photochem Photobiol. Accepted Author Manuscript. https://doi.org/10.1111/php.13671
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Minimal, superficial DNA damage in human skin from filtered far-ultraviolet C. https://onlinelibrary.wiley.com/doi/10.1111/bjd.19816#bjd19816-bib-0002 - Hickerson, R., Conneely, M., Hirata Tsutsumi, S., Wood, K., Jackson, D., Ibbotson, S. and Eadie, E. (2021). Br J Dermatol, 184: 1197-1199. https://doi.org/10.1111/bjd.19816
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Extreme Exposure to Filtered Far-UVC: A Case Study†. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8638665/ - Eadie E, Barnard IMR, Ibbotson SH, Wood K. Photochem Photobiol. 2021 May;97(3):527-531. doi: 10.1111/php.13385. Epub 2021 Feb 3. PMID: 33471372; PMCID: PMC8638665.
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Re-Evaluation of Rat Corneal Damage by Short-Wavelength UV Revealed Extremely Less Hazardous Property of Far-UV-C†. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8251618/ - Kaidzu S, Sugihara K, Sasaki M, Nishiaki A, Ohashi H, Igarashi T, Tanito M. Photochem Photobiol. 2021 May;97(3):505-516. doi: 10.1111/php.13419. Epub 2021 May 3. PMID: 33749837; PMCID: PMC8251618.
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Long-Term Effects of 222-nm Ultraviolet Radiation C Sterilizing Lamps on Mice Susceptible to Ultraviolet Radiation. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7497027/ - Yamano N, Kunisada M, Kaidzu S, Sugihara K, Nishiaki-Sawada A, Ohashi H, Yoshioka A, Igarashi T, Ohira A, Tanito M, Nishigori C. Photochem Photobiol. 2020 Jul;96(4):853-862. doi: 10.1111/php.13269. Epub 2020 May 31. PMID: 32222977; PMCID: PMC7497027.
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Viability evaluation of layered cell sheets after ultraviolet light irradiation of 222 nm. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7260610/ - Hanamura N, Ohashi H, Morimoto Y, Igarashi T, Tabata Y. Regen Ther. 2020 May 27;14:344-351. doi: 10.1016/j.reth.2020.04.002. PMID: 32490060; PMCID: PMC7260610.
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