Is the BURST Natural toothpaste whitening? Megan B November 25, 2020 18:18 Updated Yes! The natural toothpaste is gently whitening! Related articles Is the BURST Fluoride toothpaste whitening? Is the BURST Fluoride paste formulated for sensitive teeth? What does the BURST Fluoride toothpaste taste like? Can I buy another BURST floss case by itself? What are the ingredients in the BURST Natural paste?