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.

With the help of oral care experts and product testers, I rounded up the best teeth whitening kits that deliver fast, safe results at home.

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

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 ...