Far UVC research 222 nm

Here's a link from M'soft news: https://www.msn.com/en-us/health/health-news/tests-show-uvc-lamps-could-light-the-way-in-virus-fight/ar-BB13QOpt?ocid=msedgntp Seemingly there are very short wavelength lamps that kill viruses and bacteria but shouldn't hurt our eyes or skin. The far-UVC is supposedly absorbed by dead skin cells and tears in our eyes.

You are right, far UVC 222nm is indeed harmless to the human body and can kill bacteria, but there are still relatively few manufacturers producing this product, and the price is not cheap