Everything You Need To Know About Teeth Whitening Kits Before Buying, According To Dentists (2024)

On the quest for a brighter smile? There are an abundance of whitening kits touted as an instant fix for discoloured teeth, but you’d be wise to heed the advice of dentists before shopping around. That’s because many of the teeth whitening kits marketed at consumers aren’t effective beyond short-lived results, and if you choose wrong, can actually be detrimental to the health of your teeth.

“Legally in the UK, over-the-counter products cannot contain over 0.1 per cent hydrogen peroxide,” says Dr Tom Crawford Clarke, leading cosmetic dentist and founder of Luceo Dental Clinic. “Therefore products won’t have a peroxide concentration high enough to whiten teeth as effectively as seeing your dentist, who can provide tooth whitening at the clinically proven concentrations for whitening teeth which start from 3.3 per cent.”

What’s more, products that use harsh ingredients to remove staining – including some whitening toothpastes and even “natural” remedies like activated charcoal and apple cider vinegar – can pose a risk to tooth health by being “abrasive to the tooth enamel,” as Dr. Tom explains.

Is tooth whitening safe?

How then, do you choose a teeth whitening solution that works without damaging your teeth? “Using a professionally designed tooth whitening system that has been proven to be both safe and effective is key,” says Dr Vanessa Creaven, dentist and co-founder of Spotlight Oral Care. However, there is still a chance both teeth and gums could become sensitive due to the chemicals used in tooth whitening products, so keep an eye on how they react. “It’s also important to note that it’s not recommended for those under 18 or who are pregnant or breastfeeding,” adds Creaven.

How do teeth whitening kits work?

Hydrogen peroxide is the active ingredient found in most tooth whitening kits. ”Dentists have been prescribing peroxide for over 30 years, which has been extensively researched and shows no damage to the tooth – some studies have shown it can actually improve the health of the teeth through the release of Urea which protects against tooth decay,” says Dr. Tom. If you can’t get into a dental clinic for professional peroxide whitening sessions – which are considered the gold standard treatment for discoloured teeth – then dentist-prescribed home kits with trays bespoke printed for your bite offer the most effective and even whitening. While these should be your first port of call for more permanent results, over-the-counter peroxide kits can brighten the smile temporarily.

Other kinds of kits use PAP (a peroxy acid) to cause chemical reactions that dissolve stains from the surface of the tooth. But these should be approached with caution, as in rudimentary formulas it can be corrosive to teeth. Dr Tom is of the opinion that they shouldn’t be used at all, as surface whiteness produced by PAP is “superficial” and potentially the result of acid damage. “PAP is actually used in laundry detergent,” he warns. It’s a bleaching agent that is relatively new to the world of teeth whitening and research supporting its safe long-term use is still needed. However, other dentists view the ingredient as an effective peroxide alternative. Dentist-led brand Spotlight Oral Care uses PAP in its products alongside additional remineralising ingredients to protect enamel health.

How we chose the best teeth whitening kits

To ensure our edit first and foremost offers options that preserve the health of your teeth, we’ve consulted dental experts for their advice on the best teeth whitening kits on the market. They’ve given us their honest appraisal of the product formulations and effectiveness so you can make an informed decision. Elsewhere, we’ve picked tried and trusted favourites Vogue editors call on for photo ops and as part of a consistent routine. While these options may not whiten your teeth as significantly as clinical whitening sessions, we’ve tried a few that we can attest are effective as a temporary fix. Scroll on for the best teeth whitening kits that come Vogue-approved.

Best teeth whitening products at a glance:

Everything You Need To Know About Teeth Whitening Kits Before Buying, According To Dentists (2024)

FAQs

What to look for when buying teeth whitening? ›

For teeth whitener to be effective, it has to contain hydrogen peroxide or carbamide peroxide as an active ingredient. These ingredients remove the stains on the surface along with deep stains that toothpaste fails to remove. Avoid any products that don't have these ingredients included in the labelling.

What you should know before whitening your teeth? ›

If you're considering a professional whitening treatment, schedule it for after you get your teeth cleaned, as the whitening will take hold better. Your best bet is within a week or two of the cleaning. "Whitening doesn't work effectively through plaque and tartar, and having healthy gums is ideal," says Dr.

What teeth whitening kits actually work? ›

The Best Teeth Whitening Kits, According to Dentists
  • OpalescenceGo Prefilled Teeth Whitening Trays, Set of 10. ...
  • Burst Prefilled Whitening Trays, Set of 3. ...
  • PhilipsZoom NiteWhite Kit, Set of 3. ...
  • Dr. ...
  • Colgate Optic White ComfortFit Teeth Whitening Kit. ...
  • Auraglow Teeth Whitening Kit. ...
  • Crest3D Whitestrips, Pack of 22.
Sep 20, 2023

What are the cons of teeth whitening kits? ›

However, teeth whitening treatments can cause damage to the enamel if not done correctly or overused. Enamel damage can lead to increased sensitivity, pain, and white spots on your teeth. It's essential to consult with a dentist before using any teeth whitening products to ensure they're safe for your teeth.

Can yellow teeth become white again? ›

Can yellow teeth be bleached? Yellow teeth can be completely whitened with teeth whitening technologies at the dentist or at home. Depending on the status of your yellow teeth as well as your needs, the doctor will advise and prescribe the appropriate method.

Is 6% hydrogen peroxide safe for teeth whitening? ›

Choose the right concentration: A low concentration of Hydrogen Peroxide (around 3% to 6%) is safe to use for teeth whitening usually without any side effects. Hydrogen Peroxide can produce certain side effects like gum or tooth sensitivity if used often in high concentration.

Who shouldn't get teeth whitening on? ›

If you have a lot of fillings, dental bonding or crowns, you may not be a candidate for dental whitening. This is because restorations will not respond to whitening, and a whitening treatment could result in a very uneven appearance.

Who should not get teeth whitening? ›

Anyone allergic to peroxide (the whitening agent) should not use a bleaching product. Gum disease, worn enamel, cavities, and exposed roots. Individuals with gum disease or teeth with worn enamel are generally discouraged from undergoing a tooth-whitening procedure.

How long do teeth pores stay open after whitening? ›

The pores slowly close over the next two to three days, but during that time, your teeth are more susceptible to staining from foods and drinks. For at least the first 48 hours, it's best to avoid darkly colored foods and drinks, including berries, coffee, tea, red wine, and tomato sauce.

Does baking soda really whiten teeth? ›

Baking soda is an effective teeth whitener when used appropriately to brush the teeth. Keep in mind that it is also important to maintain regular dental visits and continue using a good toothpaste with any baking soda brushing routine.

What is the best teeth whitener for quick results? ›

The Opalescence Go Prefilled Trays use a 15% hydrogen peroxide treatment, which is higher than some of the other options on our list, meaning you'll get faster results. We noticed almost immediate results after one use, although the higher dose causes some discomfort and sensitivity.

Does any at home teeth whitening work? ›

At home teeth whitening procedures work, but they may not always match the results with in-office procedures. To have the pearly white smile you've always wanted, consider booking a dental cleaning and in-office teeth whitening treatment at a trusted dental practice.

What is the least damaging way to whiten your teeth? ›

Baking Soda: As long as you are careful to brush gently, baking soda can eliminate stains from the surface of your teeth without damaging them. Whitening Strips: Whitening strips mold to the shape of your teeth to whiten them. Whitening strips are both safe and effective.

Are home teeth whitening kits worth it? ›

Although home teeth whitening kits can be effective in whitening teeth, they can only really whiten teeth by a few shades. If you want a drastic change in teeth whiteness (i.e. you have severe teeth staining), home teeth whitening kits may not be enough. You may need multiple tries.

How can I lighten my teeth naturally? ›

Seven Ways to Naturally Whiten Teeth
  1. Eat Strawberries. One of the simplest ways to naturally whiten your teeth is just by eating strawberries. ...
  2. Eat Plenty of Fruits and Vegetables. ...
  3. Brush After You Eat or Drink. ...
  4. Rinse with Apple Cider Vinegar. ...
  5. Apply Coconut Oil. ...
  6. Brush Your Tongue. ...
  7. Use Baking Soda and Hydrogen Peroxide.

What strength should teeth whitening be? ›

These are the equivalent of 3.5% hydrogen peroxide and 5.7% hydrogen peroxide, respectively. Both gels will give you a fantastic white smile, but the 16% will get you there a little faster. If you suffer from sensitivity, the 10% is a better option for whitening your teeth.

How much should I spend on teeth whitening? ›

The most common type of professional teeth whitening is in-office bleaching, which usually costs between $500 and $1,000 per session with a national average of $650 per visit. Laser tooth whitening is another popular option that typically costs an average of $750 per session, varying between $500 and $1,000.

What percentage teeth whitening do dentists use? ›

Tooth whitening products containing or releasing between 0.1% and 6% hydrogen peroxide can ONLY be sold to dental practitioners; For each cycle of use, the first use can ONLY be carried out by dental practitioners or under their direct supervision, if an equivalent level of safety is ensured. whitening.

What is the safest teeth whitening? ›

Custom-fitted trays and in-office treatments are the safest and most effective ways to whiten teeth. ADA-approved over-the-counter toothpastes, gels, and strips are more affordable and convenient options.

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