iSmile vs Smile Brilliant for March 2025 | Best Teeth Whiteners (2025)

iSmile

• Price: $24.99 for 22 applications
• Method of application: LED light, one-size-fits-all trays, 35% carbamide peroxide gel plus desensitization gel
• Duration: 10 minutes a day for 7-10 days
• Results: Up to 8 shades whiter in 7 days
• Shipping: Free for most customers
• Refunds/returns: 30-day money-back guarantee (contact manufacturer)
• "A+” rated by the BBB

Want a whiter smile without spending a fortune? iSmile makes it easy with their budget-friendly whitening kit that gives you pro-level results right at home. Using an LED light and a powerful 35% carbamide peroxide gel, this teeth whitener system promises to brighten your teeth by up to 8 shades in just 10 minutes a day for a week - without the hassle of custom trays or long duration times. At just $24.99 for 22 applications (with free shipping for most customers), it's one of the most affordable options out there, and the 30-day money-back guarantee gives you extra peace of mind. With an "A+” BBB rating and over 22,000 glowing reviews, iSmile is a no-brainer if you're looking for an easy, effective, and budget-friendly way to get your teeth sparkling white.

Smile Brilliant

• Price: $149 to $189
• Method of application: Custom trays with 22% carbamide peroxide whitening gel
• Duration: 45 minutes to 3 hours, used for 7-14 applications
• Results: Within 7-14 applications
• Shipping: Free on orders over $35
• Refunds/returns: 45-day money-back guarantee, plus 2-year tray replacement ($35)
• Options for those with sensitive teeth
• "B+” rated by the BBB
• In business since 2014

If you're after a professional-level teeth whitening experience at home, Smile Brilliant delivers with custom-fitted trays, an option for those with sensitive teeth, and a powerful 22% carbamide peroxide gel. Unlike one-size-fits-all kits, this system ensures even coverage, though you'll need to take the extra step of creating your molds and sending them in for processing. Duration times range from 45 minutes to 3 hours, with best results after 7-14 applications. While the $149 to $189 price tag is higher than some alternatives, Smile Brilliant offers free shipping, a 45-day money-back guarantee, and an affordable $35 tray replacement program. Despite a "B+” BBB rating due to a handful of complaints, Smile Brilliant customers largely rave about their results. If you want a teeth whitener that fits like a glove, this is an excellent choice.

The 10 Best Teeth Whiteners

AuraGlow

iSmile

Smile Brilliant

Crest 3D Whitestrips

Supersmile

Philips DayWhite

SNOW

Glowfinity

My Smile

Polar MD

What is the Best Way to Whiten Your Teeth?

A bright, white smile can make a big difference in your confidence, and with so many over-the-counter teeth whitening options available, you don't have to visit a dentist to achieve it. From whitening strips to LED kits, there's a product for nearly every budget and lifestyle. But with all the choices out there, how do you know which one is right for you?

Understanding the different methods, their effectiveness, and key features - like customized trays - can help you get the best results. Most at-home teeth whiteners use either hydrogen peroxide or carbamide peroxide as the active ingredient. These bleaching agents break down stains on your enamel, lifting discoloration caused by coffee, tea, wine, smoking, or just the natural aging process.

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Some products rely solely on these ingredients, while others add LED lights to supposedly speed up the process (though the jury is out on whether these lights provide a noticeable difference). The next thing to know is how these whiteners are applied to your teeth.

One of the most well-known application methods is whitening strips. These thin, flexible strips are coated with a whitening gel and adhere directly to your teeth. They're one of the most affordable and widely available options, but since they're a one-size-fits-all solution, they might not reach every part of your teeth evenly.

You may also consider whitening toothpaste or rinses. These are the least expensive options, using mild abrasives or low concentrations of peroxide to gradually whiten over time. However, they won't give you dramatic results.

The most common approach we've found for DIY teeth whitening are gel and tray systems. These kits use a peroxide-based gel applied to a tray that fits over your teeth. Some are pre-formed, while others allow for a more custom fit. While the ready-made trays are often less expensive, a major downside of one-size-fits-all whitening trays is that they don't conform perfectly to your teeth. This can lead to uneven whitening, wasted gel, or even gum irritation if the whitening solution seeps out. If you already use a retainer or a clear aligner (like Invisalign), you might be able to use it with a whitening gel instead of buying a separate system. A custom-fit tray holds the gel against all the surfaces of your teeth, ensuring a more even and efficient whitening process.

Ready to get your brightest, whitest smile but not sure where to start? Here are a few ways you can decide which option will be the best for you:

• Effectiveness. Does the product contain a high enough concentration of peroxide for noticeable results? What do users say about how quickly they saw their teeth get whiter?
• Comfort. Is the formula gentle enough to avoid gum irritation or sensitivity? How often do customers say that they needed to take a break from using the teeth whiteners because their teeth started to feel sensitive (especially to hot/cold foods and drinks)?
• Customization. Does it include a moldable tray or work with an existing retainer? Or is it a one-size-fits-all approach?
• Convenience. How long does each session take, and how many are required? Will the system disrupt your daily routine or fit right in?
• Price vs. value. Are you getting professional-level results? Will you need to buy more than one teeth whitener kit to get the smile you want?

Teeth whitening can be an easy and affordable way to boost your smile, but choosing the right product makes all the difference. To help you get the best results, the experts at Top Consumer Reviews have reviewed and ranked some of today's most popular teeth whiteners. With the right approach, you can easily get a noticeably whiter smile too!