>>8918343 (lb)
>>8918519 (lb)
This video (pic related) which was deleted by Google exists elsewhere. Here: https://peertube.co.uk/videos/watch/553a307c-c106-4ee6-8eaa-d0ebc36f6869
It explains that AYTU Bioscience's Healight kills bacteria and other nasties using Ultraviolet Light (UVA).