Is the BURST Floss Compostable? March 27, 2023 16:17 Updated The BURST Floss is not compostable. Related articles Is the BURST Floss Vegan? Is the BURST Floss biodegradable? What flavour BURST Floss comes with the BURST Lavender Floss kit? Were any animals harmed in the making of the BURST Floss? Can I buy a BURST Original Toothbrush or BURST Water Flosser without a subscription?