Do the BURSTkids Flossables contain fluoride? April 13, 2023 16:22 Updated The BURSTkids Flossbales do not contain fluoride. Related articles How long will it take for the BURSTkids Flossables to biodegrade? Can you reuse the BURSTkids Flossables? What are the ingredients in the BURST Natural Toothpaste? How to change modes on the BURST Original Toothbrush What are the BURSTkids Toothpaste flavors?