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Teeth whitening gels are topical treatments applied directly to the teeth to remove stains and discoloration. GLO teeth whitening gels use a dentist-developed formula with hydrogen peroxide, a safe and effective whitening agent trusted and used in professional whitening. These gels are ideal for teeth whitening at home, offering a convenient and effective way to achieve a brighter smile.

The GLO Vial whitening gel is 6% hydrogen peroxide (which is equivalent to 18% carbamide peroxide, but without the harmful breakdown byproducts). Hydrogen peroxide breaks down safely into oxygen and water as it evaporates in your mouth. We offer higher concentrations of GLO whitening gel through certified GLO dental practices. You can find a convenient GLO dental practice near you on our website.

Yes, GLO Vial teeth whitening gel is vegan, gluten-free and cruelty-free. It was formulated by NYC's top aesthetic practicing dentist and is made in the U.S. with the highest quality using safe and effective ingredients.

Yes, swallow as you normally would while the GLO whitening gel is on your teeth and/or when the mouthpiece is in your mouth. The whitening gel is specially formulated to stay put on your teeth until it evaporates and dissolves, without any messy strips or annoying trays required for use.

When using the GLO Vial teeth whitening gels with the device, wait until your 8-minute application is complete before  reapplying. For best results, we recommend completing three back-to-back whitening gel applications each day. Each GLO Vial contains enough whitening gel for at least six applications.

GLO teeth whitening gel is specially formulated to stick to your teeth. There, the thick whitening gel penetrates, whitens and then evaporates as it breaks down safely into oxygen and water - without harmful byproducts. Inconvenient and conspicuous strips are only needed to keep drippy or runny gel in place. It is so much easier to simply brush on GLO whitening gel and go on about your day. No one will even know you are whitening your teeth.

GLO Vials can be stored at room temperature and do not require refrigeration. The patented Vial design features a hermetic seal inside the GLO Vial, which keeps the formulation fresh and active until use - without any special storage requirements.

Yes. As with every perishable item, efficacy can diminish over time. GLO Vials do not require any refrigeration or special storage; each Vial features a patented, hermetic seal design, which keeps the formulation fresh and active until use - without any special storage requirements. That said, if it has been quite some time since you've used your GLO Vial, we recommend opening a fresh Vial. GLO Vials are available in sets of three on our website for your convenience.

We have redesigned our easy squeeze Teeth Whitening GLO Vials so you can actually remove the brush tip applicator and sweep out any remaining gel with a cotton swab. No need to try to cut the vial or, even worse, toss that precious whitening gel you love so much. With our new GLO Vials, you'll be able to squeeze most of the whitening gel out of the GLO Vial thanks to its easy squeeze design. But for that last little bit of gel that gets left behind, simply pull off the brush tip applicator and sweep the rest out with a cotton swab.

Yes. GLO teeth whitening gel is formulated with sensitive teeth in mind. This dentist-developed formula uses less hydrogen peroxide, while our patented illuminating heat technology minimizes its contact time with the tooth, resulting in a gentle yet effective whitening experience.