How are GLO vials different from other whitening gel delivery systems?

Hydrogen peroxide is inherently unstable and needs to be stored in a sealed environment to maintain potency. GLO Vials feature a patented, proprietary design that keeps the hydrogen peroxide whitening gel fresh and active without refrigeration. GLO Vials also have an easy-to-apply brush tip applicator that allows for easy targeting of the gel onto teeth, avoiding the lips and gums and preventing sensitivity. The gel is thick so it stays on the teeth where it is placed, rather than running all over the gums and soft tissue. Plus, GLO Vial whitening gel includes additional desensitizing ingredients.