There was a bunch of PR stuff around a nail polish that did something similar a few years ago [0] in South Africa but I don't think a product ever came out of i

There was a bunch of PR stuff around a nail polish that did something similar a few years ago [0] in South Africa but I don't think a product ever came out of it. [0] https://www.news24.com/health24/Lifestyle/Woman/Your-body/Students-create-nail-polish-that-detects-date-rape-drugs-20150608 https://www.news24.com/health24/Lifestyle/Woman/Your-body/St...