Opalescence 20% Teeth Whitening Refill Kit (4 syringes) by Ultradent Mint Flavor. A professional level whitening experience at home with no LED light required. This refill pack includes 4 x 1.2 ml carbamide peroxide whitening syringes, compatible with Invisalign trays, aligners, retainers, and custom dental trays. The Opalescence gel lifts stains from coffee, wine, soda, smoking and more, with up to 10 shade whitening in 7 days. Gluten-free, kosher, and sweetened with xylitol to support enamel health. Made in the USA by Ultradent Products.
