WebMD looks at the many available teeth whitening systems, along with products like toothpastes and gels, and compares home kits to professional office treatments.

What’s the most effective at-home teeth whitening product? Shop Crest Whitestrips, Sensodyne toothpaste, whitening pens and more.

At-home whitening gel trays give noticeable results in about a week, but you won’t see full results for about 2-4 weeks. How long does home teeth whitening last?

Opalescence’s whitening gel is professional-grade like its trays. Its main active ingredient is carbamide peroxide, and there’s also hydrogen peroxide in its formula.

We spoke to dentists to find the best at-home tooth whitening products you can buy, from toothpaste to whitening kits.

At-home teeth whitening products can be effective at reducing and removing stains, although they may increase tooth sensitivity. Learn more about the best products and how they work here.

Gel trays are among the most popular whitening methods. They involve custom or pre-formed trays filled with whitening gel, which are placed over the teeth for a specified period.

TheProfessional Teeth Whitening Market Focused Insights 2025-2030, with Key Vendors DenMat, DMC Equipment, FGM Dental Group, Philips and Ultradent Products - ResearchAndMarkets.com ...