When I was in high school, I used to steal my dad's Crest Whitestrips (sorry, Dad.) I'd raid his secret hiding spot under the bathroom sink and grab only a few of the strips at a time — to avoid suspicion, of course. That was right around the time I started drinking coffee regularly and noticed some tooth-staining; my subtle thefts were born out of necessity. During those days, I remember the strips feeling slimy on my teeth and shifting around in my mouth at the smallest sign of movement. My sensitive smile also led me to realize very quickly that I couldn't use the strips on a nightly basis without gum tenderness. Show
For anyone familiar with previous iterations of the brand's whitening gel strips (or anyone who *stole* them from their dad), the Crest 3D White Luxe Professional Effects Whitestrips will feel like a major upgrade. They have the same enamel-safe tooth whitening ingredient (hydrogen peroxide) that dentists use for a whiter smile, but can be worn sitting pantsless on your couch watching Netflix's Mindhunter. I may or may not be speaking from experience. The first thing I noticed after ripping open one of the sachets was how tiny and thin the strips looked, a departure from how I remembered them back in high school. They also seemed much stretchier and flexible to the touch. When I popped them on (bottom first, as recommended by the instructions, and then the top strip) I was pleasantly surprised how they adhered to the surface of my teeth — there was no sliding around at all, even after the full 30 minutes of suggested wear time. After a few days of testing, I started to notice a brighter (albeit, not fully whiter) smile. The brand recommends that you try the product for 20 days for the full results, which is likely why my teeth weren't a blinding pearly white. (Cue, Friends's "The One With Ross' Teeth".) "Professional in-office whitening treatments get your teeth a few shades whiter than over-the-counter products," cosmetic dentist Marc Lowenberg previously told Allure. "But most people can get fairly close to that result with whitening strips." For those who don't have time to head into the dentist's office for professional bleaching, however, these strips are an easy way to get an enamel-safe whitening treatment. All in all, I was impressed with how my teeth looked and felt after using the Crest 3D White Professional Effects Whitestrips. I'll continue using them for the full 20 days and hope to see an even whiter smile — without having to share them with my dad. All products featured on Allure are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. Crest Whitestrips seem like the perfect solution for whiter teeth — they’re convenient, affordable, and more popular than ever. But the question is: Do Crest whitestrips really work? And are they safe? In truth, teeth whitening strips do work to make teeth look whiter and brighter. But before you try them, I want you to understand some of the risks of this teeth whitening method. So, how do Crest Whitening Strips (by Procter & Gamble) and similar brands work? IF YOU PURCHASE A PRODUCT USING A LINK BELOW, WE MAY RECEIVE A SMALL COMMISSION AT NO ADDITIONAL COST TO YOU. READ OUR AD POLICY HERE.How Crest White Strips WorkCrest Whitestrips work by coating the teeth with a gel that contains hydrogen peroxide or carbamide peroxide. The gel is pressed against the teeth for several minutes to penetrate the enamel layer and “bleach” teeth. These at-home whitening strips use a lower concentration of the same ingredient dentists use to whiten teeth. Whitening strips are small pieces of an enamel-safe flexible plastic called polyethylene, a common plastic. Each strip is coated with a whitening gel and adhesive to make the strips stay put. Ingredients in Crest WhitestripsCrest Whitestrips ingredients include:
Hydrogen PeroxideThe European Union (EU) and Canada’s governmental body classify hydrogen peroxide, the whitening ingredient in Crest Whitestrips, as toxic or harmful when used in the mouth. It can destroy the oral microbiome, killing off the beneficial bacteria that prevent cavity formation, gum disease, bad breath, and other conditions. Carbamide and hydrogen peroxide are the only widely used products to whiten teeth down to the dentin layer. The most danger occurs when peroxide comes into contact with porous, sensitive gum tissue. PVP & CarbomerCrest Whitestrips use polyvinylpyrrolidone (PVP) to bind strips to teeth. This adhesive is safe, meaning it doesn’t bioaccumulate or disrupt hormones, like many household chemicals. The strips also contain carbomer, another fairly safe chemical, to increase the adhesion of the gel. These adhesives may irritate the gums and damage enamel when overused but are considered generally safe. Sodium HydroxideThe pH-balancing ingredient in white strips, sodium hydroxide, may be somewhat dangerous. It’s considered toxic when used inside the body. Sodium hydroxide is a “caustic agent,” meaning it corrodes what it touches. Sodium hydroxide is also used in hair dye. Essentially, just like you can strip your hair too much from over-dyeing it, you can do the same with teeth. (Instead of brittle hair, think: sensitive teeth.) Sodium SaccharinSaccharin isn’t my first choice as a sweetener — xylitol and erythritol are much better low-calorie sugar substitutes for dental health. However, saccharin is not dangerous according to the best available scientific evidence. It was once banned because it was believed to cause bladder cancer in animals but has since been unbanned around the world. PEG-8In some individuals, PEG-8 may cause hives on contact with sensitive tissue like the cheeks, gums, or tongue. The EWG also warns that PEG-8 is frequently contaminated with more dangerous chemicals like 1,4-Dioxane, a potential carcinogen. Acrylates CopolymerAcrylates copolymer is a polymer that holds each upper and lower strip together during use. On its own, this ingredient is considered fairly safe. However, acrylates copolymer are often contaminated with ingredients that irritate the skin, eyes, and mouth. PyrophosphatePyrophosphate is used as the “tartar protection” in Crest 3D White Whitestrips Stain Shield. Unfortunately, multiple studies have repeatedly shown that pyrophosphate does not reduce buildup of plaque or tartar/calculus. Are Crest Whitestrips safe?Crest Whitestrips are safe for very occasional use. However, if you do not use them correctly or use them too often, these whitening products may cause damage to your teeth or gums. I do not recommend patients use Crest Whitestrips more than once every 5 years. The American Dental Association (ADA Council) has approved Crest 3D White Glamorous White Whitestrips as “safe and effective” for at-home teeth whitening. This is called a “cosmetic certification”. A UV light, included in certain teeth whitening kits from Crest, can cause severe tooth sensitivity. This may go away within a few days to one week. In fact, UV lights don’t seem to increase the whitening effect of peroxide beyond a week or two. There is some evidence that UV lights with peroxide may damage the pulp of your tooth, which could potentially lead to painful toothaches or the need for a root canal. One problem — but not a safety concern — with Crest Whitestrips is that they may leave yellow or greyish spots because they don’t always adhere to surfaces of teeth evenly. How to Use Crest Whitestrips [Step-by-Step Directions]To use Crest Whitestrips and minimize your risk of safety concerns:
For faster results, you can buy Crest 3D Whitestrips, the most powerful Crest Whitestrips. These are designed to stay on the teeth for 30 minutes and whiten quickly in just one use. Some of these whitening kits come with UV lights to “speed” the process. You should not brush your teeth before or after using whitening strips. Brushing before using white strips can increase tooth sensitivity, and brushing afterwards risks pressing the abrasive chemicals into the enamel of your teeth. Never wear Crest Whitestrips overnight or while sleeping/napping. Q How long does it take to see results from Crest Whitestrips?A Crest 3D Whitestrips will produce noticeable whitening after 3 days. Full results can be expected in 20 days of use. Q How many times a day should you use Crest Whitestrips?A According to Crest, you can use whitening strips up to twice every day. Manufacturers like Crest encourage you to use whitening strips along with Crest whitening toothpaste for a brighter smile. However, whitening toothpaste marketing is very clever — and sometimes misleading. At best, Crest’s whitening toothpaste may help remove some surface stains (called extrinsic staining). The peroxide in Crest Whitestrips, however, will actually whiten the tooth’s color. Crest Whitestrips Before & AfterCheck out before & after results you may find with Crest Whitestrips: https://www.instagram.com/p/CCx26hWA9Qo/ https://www.instagram.com/p/BusXZezDKYB/?utm_source=ig_embed&utm_medium=loading Will Crest Whitestrips work for you?To know if Crest’s popular strip treatments are the best choice for you, you should know if you’re dealing with enamel or dentin discoloration. Enamel becomes discolored by staining, like when you drink a lot of red wine. Dentin — usually considered the “inside” of your teeth” — is discolored by aging, poor nutrition, trauma, or smoking. Crest Whitestrips use peroxide to whiten the deep dentin layer of your teeth. They may reduce the look of teeth stains, but that can just as easily be accomplished with a teeth whitening toothpaste. Teeth that have greyed, rather than yellowed, are less likely to whiten significantly using peroxide-based whitening treatments like Crest Whitestrips. You should not use Crest Whitestrips immediately before or after dental work, such as dental fillings or dentures. Dental whitening kits will not whiten veneers, bonding, or anything besides your natural teeth. The Best Alternatives to Crest WhitestripsI don’t recommend most people use Crest Whitestrips more than once every 5 years or more. For a whiter smile without exposing your mouth to potential dangers, consider these whitening alternatives:
There are some methods of teeth whitening I recommend avoiding entirely for safety reasons or because they’re ineffective. These include:
How to Prevent Teeth StainsFor the whitest teeth possible, Crest Whitestrips aren’t your best option. Prevention is. To prevent teeth from aging prematurely and yellowing:
Key TakeawaysCrest Whitestrips are an inexpensive home teeth whitening method that can brighten your smile. While they’re generally considered safe for occasional use, Crest’s teeth whitening kits contain some chemicals that may irritate the sensitive tissues in the mouth. The safest way to use whitening strips is to cut them down to the height of your teeth. Do not let the strips touch your gums if at all possible. UV lights used with Crest Whitestrips may increase tooth sensitivity and potentially damage tooth pulp. It’s possible for white strips to leave discoloration on the teeth if the strips don’t adhere to the teeth evenly. How long does it take to see results from Crest 3D White Strips?Some improvement may be seen after only 3 days. Final results are visible after 10 to 20 days, depending on the specific Crest whitening-strip product used.
Do Crest 3 D White strips really work?If you want to know the truth, yes, Crest Whitestrips do work. They can make your teeth look whiter because of a gel that is spread along the strip and placed onto the surface of your teeth. This substance contains hydrogen peroxide or carbamide peroxide and works to penetrate the tooth enamel to remove stains.
Should I brush my teeth before or after Crest Whitestrips?We recommend that with any form of whitening that teeth are brushed beforehand. This is to ensure that any plaque (this sticky surface layer on your teeth) is removed and that any whitening agent present in the strips or gel gets the closest contact with the teeth.
Do I brush my teeth after whitening strips?It's safe to brush and floss your teeth after using whitening strips. It won't reduce the whitening effects of the treatment. Manufacturers recommend doing so gently. This will help you avoid gum irritation and discomfort.
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Crest 3d white strips review before and after
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