There are several types still in circulation from what I gathered. The common white/greyish ones might still be a health risk. Supposedly these blue ones that

There are several types still in circulation from what I gathered. The common white/greyish ones might still be a health risk. Supposedly these blue ones that some shops have adapted is a lot better (and even recyclable?). https://www.koehlerpaper.com/en/products/Thermal-paper/TH_Blue4est_Labels.php https://www.koehlerpaper.com/en/products/Thermal-paper/TH_Bl...