Teeth whitening kits vs. strips: Which should I get? (2024)

Best home teeth whitening products

Teeth become yellow with age and regular exposure to certain foods and drinks. Luckily, discoloration or stains can often be reversed at home with a tooth whitening kit or strips.

Although both kits and strips serve the same purpose, they are not the same. Teeth whitening kits come with trays filled with a gel that has hydrogen peroxide and other ingredients to help remove stains. Whitening strips use similar ingredients but are applied by placing the strips directly against the teeth. Consider the pros and cons of each method before committing to a home teeth-whitening product.

What are teeth whitening kits?

Portable, convenient and easy to use, teeth whitening kits work alongside professional treatments to keep teeth white.

Teeth whitening kits come in several forms, including trays, tubes or syringes. They include a specially formulated gel used in the whitening process and can have as high as 10% hydrogen peroxide content. Some kits also come with an LED light that helps enhance the whitening process by activating the chemicals in the gel.

To use a kit, start by filling the trays with gel unless they are pre-filled. Then, stick the trays to your teeth and leave them to set. Some trays are moldable, so they can be fitted to the individual’s teeth for a more even whitening result.

For many people, teeth whitening kits work well on both surface-level and deeper stains. The average cost of a kit is $20-$100.

Teeth whitening kit pros

Trays provide more coverage than some teeth whitening strips.

May contain a higher concentration of hydrogen peroxide and other chemicals for near-immediate results.

Permanently remove light and tough stains.

Many kits come with enough gel for multiple, separate treatments, which saves on costs.

Moldable trays keep the gel away from the gums, making them safe for most people, even those with sensitive gums.

Teeth whitening kit cons

Treatments can take 5-14 days to fully work, depending on the kit.

Trays must be left in place for 30-60 minutes at a time.

Kits can cause uneven whitening in individuals with dental health issues (cavities, crowns, etc.) or dental restorations.

Best teeth whitening kits

Smile Direct Club Teeth Whitening Gel Kit with LED Light: available at Amazon

This fast-acting, professional-grade kit removes mild stains and can lighten teeth by up to nine shades within one week. Results last up to six months. The kit is safe for enamel and comes with an easy-to-use applicator for direct use on tough stains.

iSmile Teeth Whitening Kit: available at Amazon

Secure fit, silicone mouth trays are designed to significantly lighten stains caused by everything from years of smoking to drinking coffee. The LED light combined with active ingredient carbamide peroxide results in a medical-grade gel that works several times faster than most strips. Plus, the built-in timer makes this kit convenient and easy to use.

AuraGlow Teeth Whitening Kit: available at Amazon

Safe for sensitive teeth and enamel, this kit comes with gel syringes and mouth trays for easy application. It also has a timer to conveniently track how long each whitening session lasts. You may see results as quickly as after one application.

MySmile Teeth Whitening Kit: available at Amazon

Great for those with especially sensitive teeth, this kit is easy to use right out of the box. It starts to work within 10 minutes to lift surface stains caused by food and drink.

VieBeauti Teeth Whitening System: available at Amazon

This kit works to remove tough discoloration caused by age, coffee, wine and more within days. Designed to fit most mouths, the moldable trays secure the gel to the teeth while protecting the gums.

What are teeth whitening strips?

Teeth-whitening strips are easy to use and mild enough for sensitive teeth and receding gums. They work by breaking down stains with chemicals such as hydrogen peroxide, which has been proven to whiten teeth. Some strips can get beneath the enamel to reduce or remove deeper stains as well.

Strips can also keep teeth white longer when used in conjunction with professional treatment. This makes them a great supplementary at-home treatment. In fact, teeth whitening strips have been shown to lighten teeth by up to three shades.

The way they work is simple; rather than use abrasive ingredients or harsh chemicals to quickly remove stains, they are most effective when used consistently and over time. To use a whitening strip, simply apply it to your teeth and wait as indicated on the back of the packaging. It should adhere naturally. Repeat for 7-10 days, or until teeth are noticeably whiter.

On average, strips cost between $20 and $50.

Teeth whitening strips pros

Convenient, adhesive application.

Great for sensitive teeth and minor gum problems.

Less expensive than professional treatments or most teeth whitening kits.

Teeth whitening strips cons

Results can take up to 10 days to show. Repeat application may be required for deep stains.

Some strips contain harmful chemicals that can erode enamel.

May cause damage to fillings and sealants when used often.

Best teeth whitening strips

Crest 3D White Dental Whitening Strips: available at Amazon and Ulta Beauty

These quality whitening strips remove stains for up to 18 months with only three weeks of treatment. Plus, they are enamel-safe, no-slip and easy to use for an even whitening experience.

Crest 3D White Vivid Plus White Strips: available at Amazon

In addition to 24 strips that work over 10 days to remove years of stains, this product comes with a fast-acting treatment for immediate results.

MySmile Teeth Whitening Strips: available at Amazon

Safe, fast and convenient, these strips can reduce visible stains and lighten teeth by up to 10 shades within two weeks.

Lumineux Teeth Whitening Strips: available at Amazon

Formulated by dentists using natural ingredients, these strips visibly lighten stains without irritating sensitive teeth or gums.

Should you get teeth whitening kits or strips?

Teeth whitening kits and strips are designed to remove stains and make your teeth pearly white once more. Both options are effective and convenient for at-home treatment. If price is a concern or you want something simple, opt for teeth whitening strips. But if you’re looking for added features such as a built-in timer or LED light for faster results, a kit may be right for you.

Angela Watson is a writer for BestReviews. BestReviews is a product review company with a singular mission: to help simplify your purchasing decisions and save you time and money.

BestReviews spends thousands of hours researching, analyzing and testing products to recommend the best picks for most consumers. BestReviews and its newspaper partners may earn a commission if you purchase a product through one of our links.

Distributed by Tribune Content Agency, LLC.

Teeth whitening kits vs. strips: Which should I get? (2024)

FAQs

Teeth whitening kits vs. strips: Which should I get? ›

Teeth whitening kits and strips are designed to remove stains and make your teeth pearly white once more. Both options are effective and convenient for at-home treatment. If price is a concern or you want something simple, opt for teeth whitening strips.

Are teeth whitening strips better than LED? ›

Though some lights can add a temporary boost that fades within a day or so, none ultimately make your teeth whiter than trays of bleach or whitening strips alone. Nor can they shorten the amount of time you have to spend with a mouth full of whitening chemicals to achieve your desired tooth shade.

Is it better to use whitening strips or gel? ›

You can wear the mold during the day, but you can't eat or drink anything while wearing it. Overall, the gel is a better option if you're looking for long-term results. It may not be as convenient or inexpensive as the whitening strips but it will brighten your smile.

Do dentists recommend whitening strips? ›

Whitening Strips May Damage Your Enamel

That said, most strips available over the counter should be safe as long as they are ADA-approved. Of course, you can always talk to your dentist for a second opinion when in doubt. However, the problem arises when you use a whitening strip with chlorine dioxide.

What works better than whitening strips? ›

Gel-based teeth bleaching gel is a safe and effective way to whiten your teeth and can provide dramatic results when used properly.

Are teeth whitening strips or kits better? ›

Whitening trays are less well-known compared to strips, but they are a much more effective option. Using custom-molded trays and a peroxide-based whitening gel, they allow for more even, extensive coverage of the teeth. This translates into shorter whitening times and much brighter smiles.

What is the most effective teeth whitening? ›

If you're looking for long-lasting results, Bianca Velayo, DMD of Green Valley Smiles Dentistry, recommends looking for peroxide-based products if you're hoping to whiten tooth enamel. You can opt for either carbamide peroxide or hydrogen peroxide as both will reverse internal and external stains on teeth, she notes.

Do teeth whitening kits really work? ›

Are At Home Teeth Whitening Kits Effective? At home teeth whitening kits can show some results, but they have their limitations. Teeth whitening kits are effective only at eliminating some stains and help how to get rid of teeth stains.

What is the disadvantage of whitening strips? ›

The strips can cause side effects, such as tooth sensitivity and gum irritation. However, sensitivity is less likely to occur with at-home bleaching than it is with in-office procedures. As whitening strips use bleaching agents to achieve their effects, the overuse of these products can damage the teeth .

Do LED lights really whiten teeth? ›

Modern technology has actually made it possible to have a whiter and brighter smile quickly and easily. And, yes, the light does indeed play a role in the accelerated whitening process. However, simply smiling at an LED light will not whiten your teeth.

What happens if you leave whitening strips on longer than 30 minutes? ›

It's tempting to think that leaving them on longer will yield a more dazzling smile, but this isn't necessarily the case. Overextending the application time can lead to increased tooth sensitivity without delivering significant additional benefits.

What do most dentists use for teeth whitening? ›

Carbamide peroxide and hydrogen peroxide are commonly used in whitening interventions and can readily permeate dental hard tissues. Temporary tooth sensitivity and gingival inflammation are the most common adverse effects of vital tooth whitening.

Can yellow teeth become white again? ›

What Can Be Done to Whiten Yellow Teeth? If you're looking for a radical change in the coloring of your teeth, you need professional-grade whitening to get the job done. Your cosmetic dentist can provide treatment that penetrates deep into the enamel and removes years of stains with a powerful bleaching agent.

What whitens teeth really fast? ›

In-office whitening procedures like Zoom Advanced Power whitening can see immediate results because dentists use a 35% solution of hydrogen peroxide in conjunction with a "light source directly on the teeth to break up all the molecules that cause staining and discoloration," he explains.

Are at home teeth whitening kits safe? ›

Over-the-counter teeth-whitening kits are safe when used as directed. If you already deal with tooth sensitivity, however, you may want to think twice before using one. “Even with over-the-counter products, it is still recommended to see your dentist prior to starting a whitening procedure.” Dr. Scheier says.

Is laser teeth whitening better than LED? ›

Firstly, whitening time is shorter for only 2-3 minutes, much less than 30-45 minutes of LED light bleaching. Secondly, there is lower teeth sensitivity, while LED light whitening has a strong acid swelling reaction. Thirdly, laser tooth whitening has a better effect and can last for longer time.

Does LED light really help whiten teeth? ›

LED teeth whitening kits can be an effective way to remove stains and keep your smile bright. However, every individual varies in how they respond to teeth whitening. Some people may experience tooth sensitivity or gum discomfort when using whitening products. This discomfort is usually temporary and not harmful.

Are whitening strips the best way to whiten teeth? ›

Whitening strips are a popular dental product that may help remove stains from and whiten the teeth. While they are not as effective as treatments from a dentist's office, they can be a more simple and cheap alternative. However, people should take care to check the ingredients of the strips and apply them carefully.

Do whitening strips work better than whitening pens? ›

Whitening strips can lighten the teeth by 5-7 shades, whereas whitening pens can only brighten them by 2-3 shades. Both strips and pens are easy to use and compatible with LED devices, however, pens can be more convenient as each tooth can be easily covered.

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