However, acrylates copolymer are often contaminated with ingredients that irritate the skin, eyes, and mouth. On its own, this ingredient is considered fairly safe. Acrylates CopolymerĪcrylates copolymer is a polymer that holds each upper and lower strip together during use. The EWG also warns that PEG-8 is frequently contaminated with more dangerous chemicals like 1,4-Dioxane, a potential carcinogen. In some individuals, PEG-8 may cause hives on contact with sensitive tissue like the cheeks, gums, or tongue. It was once banned because it was believed to cause bladder cancer in animals but has since been unbanned around the world. However, saccharin is not dangerous according to the best available scientific evidence. Saccharin isn’t my first choice as a sweetener - xylitol and erythritol are much better low-calorie sugar substitutes for dental health.
(Instead of brittle hair, think: sensitive teeth.) Sodium Saccharin Essentially, just like you can strip your hair too much from over-dyeing it, you can do the same with teeth. Sodium hydroxide is also used in hair dye. Sodium hydroxide is a “caustic agent,” meaning it corrodes what it touches. It’s considered toxic when used inside the body. The pH-balancing ingredient in white strips, sodium hydroxide, may be somewhat dangerous. These adhesives may irritate the gums and damage enamel when overused but are considered generally safe. The strips also contain carbomer, another fairly safe chemical, to increase the adhesion of the gel. This adhesive is safe, meaning it doesn’t bioaccumulate or disrupt hormones, like many household chemicals. PVP & CarbomerĬrest Whitestrips use polyvinylpyrrolidone (PVP) to bind strips to teeth.
The most danger occurs when peroxide comes into contact with porous, sensitive gum tissue. It can destroy the oral microbiome, killing off the beneficial bacteria that prevent cavity formation, gum disease, bad breath, and other conditions.Ĭarbamide and hydrogen peroxide are the only widely used products to whiten teeth down to the dentin layer. The 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. Pyrophosphate (only in Crest 3D White Whitestrips Stain Shield).Each strip is coated with a whitening gel and adhesive to make the strips stay put. Whitening strips are small pieces of an enamel-safe flexible plastic called polyethylene, a common plastic.
These at-home whitening strips use a lower concentration of the same ingredient dentists use to whiten teeth. The gel is pressed against the teeth for several minutes to penetrate the enamel layer and “bleach” teeth. How Crest White Strips WorkĬrest Whitestrips work by coating the teeth with a gel that contains hydrogen peroxide or carbamide peroxide. 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. But before you try them, I want you to understand some of the risks of this teeth whitening method. In truth, teeth whitening strips do work to make teeth look whiter and brighter. The Best Alternatives to Crest WhitestripsĬrest Whitestrips seem like the perfect solution for whiter teeth - they’re convenient, affordable, and more popular than ever.īut the question is: Do Crest whitestrips really work? And are they safe?.For best results, pair with a Crest 3D White Toothbrush or 3D White Electric Toothbrush Head. A healthy smile starts with the right toothpaste. Crest 3D White Brilliance Whitening Toothpaste in Fresh Mint flavor will leave you feeling refreshed and is the perfect addition to your oral care and whitening routine. It's never been easier to unveil your whiter, brighter, and refreshed smile to the world. Experience advanced whitening that removes stains and deeply cleans everyday surface stains and helps to shield against any future staining. Crest 3D White Brilliance Whitening Toothpaste also contains Fluoride to help prevent cavities and strengthen and and is enamel safe. Hydrogen peroxide helps to whiten to give you a noticeably whiter smile. The Crest 3D White Brilliance Whitening Toothpaste features the highest level of hydrogen peroxide in a toothpaste at 4%. Brighten and enhance your smile with Crest 3D White Brilliance Toothpaste with Hydrogen Peroxide from Crest - America'sġ Whitening Brand*.
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