The 4 Best At-Home Teeth Whitening Trays - Smile Prep (2024)

The 4 Best At-Home Teeth Whitening Trays - Smile Prep (1)

Coffee, tea, red wine, berries, juice — why is it that all the best things in life stain your teeth? We’ll chalk that up to one of the great mysteries of the universe, but there is one thing we do know: indulging in your favorite treats doesn’t have to mean sacrificing your bright smile.

Not all that long ago, your teeth-whitening options were slim. You could do hours-long in-office whitening sessions or get a prescription at-home kit from your dentist. Today, you have hundreds of at-home options to choose from, including whitening trays — plastic trays filled with a whitening agent that you place over your teeth. Here are four of the best whitening tray kits available.

Table of Contents

#1: Best Overall Kit: BURST Whitening Trays

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BURST Whitening Trays are one of the most powerful at-home treatments out there. But despite having a higher hydrogen peroxide concentration than many at-home treatments, their whitening gel doesn’t cause sensitivity for most people thanks to its specialized formula.

As pre-filled trays, they come prepared with the perfect amount of gel, making the process more convenient. Plus, they only require 15 minutes per session, and they don’t have a strong peroxide flavor like some other treatments. If you’re looking for a whitening treatment that boasts a stellar balance of effectiveness and comfort, it’s tough to beat BURST.


  • BURST trays have a 12.5% concentration of hydrogen peroxide — which is fairly powerful for an at-home treatment.
  • BURST’s formula includes xylitol and potassium hydroxide, which both help reduce or eliminate sensitivity. If you already have highly sensitive teeth, you might still feel a little discomfort, but most people won’t have any.
  • Since BURST uses pre-filled trays, you don’t need to measure out the perfect amount and use syringes, which can get messy.
  • BURST Whitening Trays contain peppermint oil and xylitol, which help mask the flavor of hydrogen peroxide.


  • The trays aren’t customized to your teeth, so they might not fit as snugly as personalized ones. It might feel slightly uncomfortable, but you only need to leave them in for 15 minutes, so it isn’t a major issue.
  • Since BURST’s trays aren’t reusable, you’ll need to purchase a new kit anytime you want to do a whitening session. With reusable trays, you only need to buy whitening refills for future treatments.

Are BURST Whitening Trays Right for You?

Bottom Line: BURST delivers excellent whitening power without the sensitivity and peroxide flavor you get from other treatments. Anyone who wants effectiveness, convenience, and comfort in equal measures should check them out.

#2: Professional-Grade Power: Opalescence Go

Opalescence is a leading provider of professional teeth whitening. Opalescence Go takes their proprietary gel — which is formulated to stick to the teeth and oxidize stains without burning soft tissues — and puts it in pre-filled trays.

The beauty of Opalescence Go is its blend of effectiveness and convenience. Their whitening gel is powerful — these are professional kits that were designed for use in dental offices but are now available to consumers. And they’re incredibly simple to use. You just pop them in, suck them against your teeth, and remove the outer shell. No measuring gel, no cleaning trays, and no fighting to get strips in place. It’s about as simple as teeth whitening gets.


  • Worried about measuring enough gel to whiten but not so much that it gets on your gums? Opalescence Go trays come pre-filled with the perfect amount of gel, and the formula is specifically designed to prevent it from spreading and reaching the gums.
  • Each tray lasts for a single use, so you don’t need to clean them after your sessions. Just pull them out and toss them in the trash.
  • You get two choices of hydrogen peroxide concentration — either 10% or 15% — so you can get the ideal strength for your whitening goals and level of tooth sensitivity. No matter which you choose, you are getting a high concentration that should work for most stains.
  • Opalescence was designed for dental offices, not store shelves. This means professional authorities and dentists across the country trust it.
  • Their gel comes in mint and melon flavors, which helps to mask the taste of the peroxide and gives you the chance to skip the typical toothpaste flavors and enjoy something new.


  • The price tag is a little steep when compared to most whitening tray kits. And unlike reusable trays, you can’t cut costs on your next round of whitening by just buying more gel.
  • You can only get them in sets of ten or four. Since you will need to do maintenance treatments at some point, this means buying an entire kit even if you only need enough for one or two sessions.

Is Opalescence Go Right for You?

Bottom Line: Opalescence Go harnesses professional whitening power in one of the most convenient methods for brightening smiles.

#3: Most Affordable Customized Trays: Sporting Smiles

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Professional whitening is the gold standard for brightening smiles. But professional at-home kits are generally pretty simple, with just two components: customized trays and whitening gel. Tailor-made by your dentist to fit your teeth perfectly, those trays help push the gel into the crevices of the teeth and offer complete coverage, ensuring the most even whitening possible.

Sporting Smiles lets you get customized trays without visiting the dentist. You just take your impressions and ship them to the company. You get to choose the whitening formula you want — 35% carbamide peroxide for their standard strength and 22% carbamide peroxide for sensitive teeth (carbamide peroxide is less potent than hydrogen peroxide). All you’ll need to do is measure out the right amount of gel each time and clean the trays after each use.


  • Custom trays are better at whitening than mass-produced ones. One-size-fits-all options can’t push the gel into the crevices between your teeth, leaving a yellow outline. Custom trays are shaped to cover all visible parts of the teeth, whitening them evenly.
  • You have two options for your whitening gel: the standard formula or the sensitive one. Although the sensitive formula is a little weaker, it can still whiten your teeth effectively while making the entire experience more pleasant.
  • Their gel foams when it contacts the teeth. This helps it penetrate the crevices and coats crooked teeth for a complete whitening effect.


  • While other Sporting Smiles products have lots of rave reviews online, their whitening kit hasn’t received a huge amount of independent feedback yet. We are confident in it just based on their track record as a company, but we’d feel better with more customer reviews.
  • They only give three sets of putty — one for each arch and one in case you make a mistake. However, many people struggle with this step and another set or two would be nice.

Is Sporting Smiles Right for You?

Bottom Line: If you want to get that professional at-home experience without the dental visits or associated costs, Sporting Smiles delivers.

#4: Most Customizable: Smile Brilliant

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Sporting Smiles may be the most affordable direct-to-consumer customized whitening tray kit, but it isn’t the only option available. Smile Brilliant also offers tailor-made trays, and they also provide more options for customization.

Smile Brilliant gives you the option to choose their sensitive kit or their standard one — not something every company offers, but also not that novel. However, it also lets you customize your purchase based on how stained your teeth are. The heavier your staining, the more vials of whitening gel you get. They also back their kits with a 100% satisfaction guarantee, so if you’re unhappy with your experience, you’ll get a full refund.


  • Your custom trays perfectly match the shape and orientation of your teeth. This helps the gel get between the teeth for a more complete whitening effect and also ensures crooked teeth get the same treatment as all the others.
  • They can customize their kits based on the severity of your stains. This means you only pay for the amount of gel you need to reach your desired level of whiteness.
  • They really stand behind their products, backing every kit with a 100% satisfaction guarantee. While many companies claim to offer these, there’s often a lot of fine print. However, Smile Brilliant really does offer a full refund if you use their kit and dislike the experience or results.
  • They use fewer ingredients in their whitening formula than their competitors. This cuts down on potential reactions and also makes it easier to understand what’s in the gel. However, this simplicity does not sacrifice quality.


  • The price tag is pretty steep. The customized trays might make it seem worth it, but you can get the same thing from a competitor for much less.
  • Their whitening sessions are meant to last three hours. The first few sessions won’t be that long, but you are supposed to build up to it quickly, and that is a significant time investment.

Is Smile Brilliant Right for You?

Bottom Line: If you want a personalized whitening tray and maximum customization options, Smile Brilliant fits the bill.

Qualities We Looked For

What makes one teeth whitening system better than the rest? Ultimately, this is pretty subjective; everyone has different qualities in mind when looking for their perfect kit. Our goal was to zero in on the most universal qualities — the ones everyone wants their whitening treatment to have. Here’s how we evaluated each product.


Full disclosure: we didn’t test all these kits ourselves. Our understanding of their functions and results comes from researching ingredients to watching video testimonials from customers just like you. Products that don’t use effective ingredients or fail to deliver results did not make our list.


Ultimately, the main reason to choose a direct-to-consumer kit over in-office whitening or prescription at-home systems is the price. Finding whitening trays that are cheaper than professional treatments is easy, but we also looked at overall value — kits that offer a lot, or at least something special, for their given price point.

Quality of Ingredients

Whitening gels make contact with your teeth, and during the whitening process, you’ll likely swallow a small amount too. High-quality ingredients are pretty important, all things considered. We only selected systems that use dental-grade ingredients that current research shows are safe for use.


Whitening your teeth shouldn’t be overly complicated. Your day is already busy enough as it is! Given you’ll need to whiten your teeth once a day until treatment is complete, we looked for kits that are easy to use, requiring just a few basic steps from start to finish.


Teeth whitening has always been a slightly awkward process — especially with trays! However, we don’t want anyone to avoid treatment because it’s so uncomfortable. We looked for systems that were less obtrusive, better tasting, and on the whole more pleasant to use.

Final Thoughts

At-home whitening tray kits can give you a stunning smile in just a few weeks, without breaking the bank. These kits closely mimic those you can get from your dentist — and sometimes are exactly the same! All four kits on this list are wonderful options we are confident in sharing with you. No matter which one you select, you’ll be smiling brightly soon.

Frequently Asked Questions

Are kits with LED lights better than standard whitening trays?

The research is mixed. Some studies show that blue light speeds up the whitening process. Others show zero difference. Ultimately, whitening agents will work with or without the light, so whether you use one is a matter of preference.

Can I use a whitening toothpaste while also using these systems?

The whitening power of toothpastes is pretty weak. While these products can maintain a white smile, they won’t help you achieve one. But are they safe to use while whitening? Most likely, since their peroxide concentration is low and the toothpaste doesn’t stick to your teeth after rinsing. However, we’d suggest a toothpaste for sensitivity instead.

How do whitening agents work on the teeth?

This varies depending on the agent. However, in most cases, they help open the pores of the teeth, then get inside the teeth and react with the carbon in the dentin. This causes oxidation that breaks apart the molecules of the stains, allowing them to lift out of the teeth.

Do I need to see the dentist before I start whitening my teeth?

It’s a good idea. We suggest timing your whitening treatments around your twice-yearly dental visits. That way, you know your teeth are healthy and super clean, which ensures better results.

How long are my teeth going to stay white?

There is no consistent answer. Most people need touch-ups six months after their full treatment and another full treatment six more months after that. However, this timeline can vary based on the system you purchase, your personal habits, and how your teeth respond.

Is there anything I can do to extend the lifespan of my whitening results?

Avoid foods and drinks that stain (think coffee, red wine, and berries). Don’t smoke. Brush your teeth at least twice a day and floss at least once. Be sure to keep up with your professional cleanings as well.

If my teeth become sensitive after whitening, will it be permanent?

No, once you stop whitening your teeth, it will stick around for a few days, perhaps a week. However, it will go away. Using things like fluoride toothpaste and remineralizing gels can help speed up the process.

Will using a teeth whitening kit brighten the color of my veneers, fillings, or crowns?

If you are struggling with surface stains, it can. However, it cannot change the color of the cosmetic or restorative materials themselves. They do not have pores like the natural teeth, so the whitening agent cannot get inside to change the color.

The 4 Best At-Home Teeth Whitening Trays - Smile Prep (2024)
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