Are the Teeth Whitening Trays by BURST gluten free? November 23, 2022 20:18 Updated Yes! The Teeth Whitening Trays by BURST are gluten free Related articles Can I use the Teeth Whitening Trays by BURST for 14 days in a row? Will I have sensitivity after using the Teeth Whitening Trays by BURST? Can the Teeth Whitening Trays by BURST be used with dentures, fillings, veneers, crowns, caps, implants, bridges, or bonded teeth? Should I apply the Teeth Whitening Trays by BURST before or after I brush? How long will my results from the Teeth Whitening Trays by BURST last?