One of the first things to consider in an LED whitening kit is the active ingredients, says Dr. Kosdon. He recommends looking for whitening formulas that feature either hydrogen peroxide, carbamide peroxide, or a combination of both. “These are the same whitening [ingredients] we use in the office and give the best results,” he explains. Don't go overboard. Strips are meant to stay on for an hour, max. Leaving them on any longer can "damage gums and erode tooth enamel," says cosmetic chemist Ni'Kita Wilson. That said, don't remove them prematurely. "The more time the bleach spends on your teeth, the more stains break apart," says Apa. Your dentist will advise you whether whitening is right for you. It may be that teeth whitening isn't suitable, for example if you have gum disease or crowns. After testing several options, we found that the Byte BrightByte Pro was the best LED whitening kit for sensitivity. We also loved the MySmile Teeth Whitening Kit with LED Light, which didn’t create any discomfort while testing. Recommended Use If the gel you are buying contains an active ingredient that will work safely, it’s sale is illegal other than by a dentist. This is because you need to be assessed to make sure treatment will be safe and that you are using the correct whitening gel. Any fake gels may at best do nothing to your teeth but some are very acidic and may harm your teeth.

Teeth whitening carried out in beauty salons by untrained staff or staff without dental qualifications puts your oral health at risk and is also illegal. Will I pay for teeth whitening privately? To get the best results, you’ll want to follow the whitening kits’ recommended usage. Not all LED whitening kits have the same application or time requirements, so it’s important to consider the recommended use and how that impacts your schedule, as some LED whitening kits require a longer commitment and others take just a few minutes. For example, the Crest 3DWhitestrips 1 Hour Express + LED Light takes about one hour and five minutes, while the MySmile Teeth Whitening Kit with LED Light takes 10 minutes per day. Smartphone Connection But we don’t stop there: We also regularly re-review the categories in which we’ve awarded the PEOPLE Tested seal of approval — because the best product of today might not be the best of tomorrow. And by the way, companies can never buy our recommendation: Their products must earn it, fair and square. Some members of our PEOPLE Tested team experience regular sensitivity with whitening formulas; however, after testing the Byte BrightByte Pro, we found that we never experience discomfort with this whitening kit. The treatment formula also features carbamide peroxide as its active ingredient, which is known for being more gentle on the teeth and gums compared to other whitening methods. In addition to sensitivity, we love how versatile this whitening kit is: The LED light comes with four different modes, including purple light for combination whitening, blue light for basic whitening, light treatment for massaging the gums, and a red light feature for recovery — making it a more inclusive oral health kit.Who doesn't want to show off a bright, white smile? The good news is having whiter teeth is an attainable goal, and not one that needs to cost you a lot of money. Ahead, we've compiled the ultimate guide for whitening your teeth at home, with everything from do-it-yourself tactics to over-the-counter solutions. Read on for 17 tips and insights from top New York dentists that will give you the extra edge when it comes to whitening your teeth. 1. Use baking soda and hydrogen peroxide. Any dentist can whiten teeth as long as they're registered with the General Dental Council. Registered dental therapists and dental hygienists can also carry out teeth whitening on the prescription of a dentist. Out of all the LED whitening kits we tested, the Crest Whitening Emulsion with LED Light impressed us the most. The Crest whitening kit might have a drugstore name, but the kit completely blew us away with how well it worked at whitening our teeth and how easy it was to use. Throughout the testing period, we were most impressed by how the teeth whitening product has a barely there feel that doesn't ever feel goopy and gross on the teeth. We also love how lightweight the LED device is; it never felt too heavy or uncomfortable during use. Although these are definitely perks, what sets the whitening kit apart from others is how often you can use it. According to Crest, the formula and LED light are safe enough to use up to four times per day for faster results, which we did notice when testing the product.

A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. Typically, both LED kits and kits without LED use the same whitening agents (hydrogen peroxide or carbamide peroxide), so the biggest difference between an LED teeth whitening kit and one without is the use of the LED light. “It is believed that some light sources, including LED, decompose peroxide faster by increasing the temperature to form free radicals that can penetrate the tooth enamel,” says Ang. “This means that, in theory, using a kit with an LED light can whiten teeth faster and more effectively.” Jessie Quinn is a contributing commerce writer for PEOPLE and has written for publications such as Byrdie, InStyle, The Spruce, NYLON, and more. When covering the best LED whitening kits, Jessie thoroughly reviewed the PEOPLE Tested team’s insights and carefully considered the application process, recommended use, and how well each kit worked at whitening teeth throughout the testing period. She also reached out to dental experts Dr. Michael Kosdon, DDS, Brittany Ang, DMD MDS MBS, and Dr. Alexa Martin, DMD, to learn more about the benefits of LED whitening kits and what to look for when choosing one.If we could change one thing about this LED whitening kit, it would be the applicator on the syringes. We wish the whitening formula featured an applicator brush, making it much easier. Nonetheless, the kit is still really easy to use, especially for beginners, especially since you only have to use for 10 minutes each day.

The normal tooth shade guide has four main categories – A, B, C, D. These range from yellowish, reddish tooth shades, through to greyer teeth.

Since each LED whitening kit requires different timelines, we followed the manufacturer’s recommended usage, so, in some cases, we tested the kits for several days, and in other cases, they used them over a several-week period. Throughout the testing period, we took thorough notes about how the treatments changed the color of their teeth, whether or not our teeth and gums felt sensitive to the formulas, and how convenient the process was. We also paid close attention to how long it took for teeth to lighten and how their starting shade compared to their ending shade.