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6 Best At-Home Teeth-Whitening Kits for a Winning Smile

Brushing your teeth every day should keep them white between dentist visits. For stubborn stains, at-home teeth-whitening kits can help. But before buying, learn what these products can do, how to use them safely, and what their limits are. Be use to check with you dentist to be sure teeth whitening is ideal for you. We've gathered the best teeth-whitening kits to brighten your smile.

Our Top Picks:

  • Best LED Device: Smiling Star by Evertone Teeth Whitening LED Kit $199 $99
  • Best Whitening Strips: Crest Whitestrips, $45
  • Best Teeth-Whitening Trays: Opalescence Go Whitening Trays, $83
  • Quickest Treatment: Moon Midnight Enamel Care Dissolving Whitening Strips, $40
  • Best Whitening Pen: Smiling Star by Evertone Teeth Whitening Pen, $25
  • Best Leave-on Treatment: Crest 3D White Daily Whitening Serum, $31

Best LED Device: Smiling Star by Evertone Teeth Whitening LED Kit

  • Why It's Worth It: Smiling Star makes some of the best teeth-whitening products out there. This newest version has a flexible, rechargeable LED light that fits your mouth better.
  • Editor Tip: Using it is easy: Put a thin layer of the whitening pen on each tooth, let it dry for 10-15 seconds, then insert the LED device. Let it work for 10 minutes. Don't eat or drink for 30 minutes after, or leave it on overnight for better results. When you're done, brush away the dried serum.
  • Key Ingredients: Hydrogen peroxide
  • Who It's For: Everyone

Best Whitening Strips: Crest 3D White Whitestrips Professional Effects

  • Why It's Worth It: Crest Whitestrips are among the most recognized over-the-counter whitening systems, and for good reason. These strips are effective for people with naturally whiter teeth or slightly discolored teeth.
  • Editor Tip: The hydrogen peroxide removes over 10 years of stains with regular use. These strips stay in place and don't slide off your teeth.
  • Key Ingredients: Hydrogen peroxide
  • Who It's For: People who already have naturally whiter teeth

Best Teeth-Whitening Trays: Opalescence Go Whitening Trays

  • Why It's Worth It: Opalescence pre-filled trays come in 10% or 15% hydrogen peroxide concentrations, with Mint and Melon flavors. The whitening gel stays in place while you wear the tray, so less gel gets on your tongue or down your throat. The trays won't slip or fall off like strips sometimes do.
  • Editor Tip: Be careful with this product. The higher concentration of hydrogen peroxide gives great results but might cause tooth sensitivity if used too long.
  • Key Ingredients: Hydrogen peroxide
  • Who It's For: Tough stains, non-sensitive teeth

Quickest Treatment: Moon Midnight Enamel Care Dissolving Whitening Strips

  • Why It's Worth It: Moon's Midnight Enamel Care Dissolving Whitening Strips take only 15 minutes to completely dissolve. They use hydrogen peroxide but are less likely to cause sensitivity because of their quick-dissolving formula. 
  • Editor Tip: Another ingredient in these strips is hydroxyapatite, which naturally occurs in teeth and helps strengthen enamel and prevent cavities. These strips work well for sensitive teeth, and they have lavender and chamomile to help you relax before bed.
  • Key Ingredients: Hydroxyapatite, lavender, chamomile, glycerin
  • Who It's For: Everyone

Best Whitening Pen: Smiling Star Whitening Gel Pen

  • Why It's Worth It: This is "the holy grail of teeth whitening," according to testers. The portable pen contains ~35 treatments and works in just one hour. Just avoid food (water is fine) during that time, then brush off the dried film with water. For best results, use it three times on day one and twice daily on days 2-7. You'll see a difference after just one day (three applications), making it perfect before special events.
  • Editor Tip: Like the Optic White Overnight Teeth Whitening Pen, this treatment has just four ingredients: alcohol solvent, copolymer, hydrogen peroxide, and water.
  • Key Ingredients: Hydrogen peroxide
  • Who It's For: People who want results quickly

Best Leave-on Treatment: Crest 3D White Daily Whitening Serum

  • Why It's Worth It: Crest proves it can brighten teeth in multiple ways with its Whitening Emulsions Leave-On Treatment. Apply it up to four times daily, which works well for coffee and red wine drinkers.
  • Editor Tip: The petrolatum in the formula prevents hydrogen peroxide from breaking down in your mouth, giving better whitening results.
  • Key Ingredients: Hydrogen peroxide, petrolatum
  • Who It's For: Tough stains and deep discoloration