Does the BURST Floss contain any PFA's? 22 October 2021 20:00 Updated No, The BURST Floss does not contain any PFA's Related articles Is the BURST Floss waxed? Is the BURST Floss biodegradable? How much BURST Floss is on the bobbin and how long should it last? Can I buy another BURST Floss case by itself? Why does the BURST Floss get stuck in my teeth sometimes?