Thermal receipts are actually bisphenols, not PFAS ('forever chemicals') I think. Still bad but different kind of bad (endocrine disruptors). There does seem to

Thermal receipts are actually bisphenols, not PFAS ('forever chemicals') I think. Still bad but different kind of bad (endocrine disruptors). There does seem to be a big push to get rid of it in Europe (most receipts I have from France advertised themselves as being BPA free or phenol-free), so I don't know why it doesn't really seem to be of any concern elsewhere.