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Do teeth whitening kits work?

If your teeth are discolored and daily brushing is not taking the stains away, a professional teeth whitening kit can help restore your teeth to their natural white colour from the comfort of your home. In fact, a teeth whitening kit with proven active ingredients is the fastest, most convenient, and least invasive way to make your teeth whiter.  

The active bleaching agent used in the whitening gel will determine if the teeth whitening kit is effective at whitening teeth. Teeth whitening kits on the market tend to use different ingredients as an active bleaching agents and two of the most common agents used are hydrogen peroxide and phthalimidoperoxycaproic acid. Both compounds have been subject to numerous research studies and have a proven ability to whiten teeth.  

Hydrogen peroxide

The most common bleaching agent found in teeth whitening products such as kits and strips is hydrogen peroxide. It has oxidising properties designed to remove surface stains from the teeth. In the UK, at-home whitening kits containing hydrogen peroxide can only contain less than 0.1% peroxide (only a dentist is allowed to sell teeth whitening kits containing 6% hydrogen peroxide). This relatively low level of hydrogen peroxide makes it safe to use, but it means you must spend a lot more time and many more treatments to get the desired whitening results from using the product.

Phthalimidoperoxycaproic acid (PAP)

An alternative to hydrogen peroxide is the non-hydrogen bleahing agent called phthalimidoperoxycaproic acid, also commonly referred to as “PAP”. PAP is a non-hydrogen peroxide that is clinically trialed and proven to whiten your teeth just as effectively as hydrogen peroxide but without common side effects such as tooth sensitivity and gum irritation that hydrogen peroxide products can cause. The quality of the PAP used in different products varies widely so make sure that you buy a product that only uses dental-grade ingredients and where the product is made in Europe for quality control.   

How does teeth whitening work?

The teeth whitening agent is absorbed by the tooth enamel and dentin layers. The active bleaching agent removes stains when it comes in contact with the tooth surface and triggers an oxidation reaction. This chemical reaction starts to break down the molecular bonds of discolored molecules thus causing the stains to evaporate.

Most teeth whitening kits come with a LED light device that releases a blue light and can improve the effectiveness of bleaching agents. Research has shown that the LED light speeds up the whitening chemical process by quickly activating the bleaching ingredients inside the gel. Because the light speeds up the chemical reactions, more stains can be removed during the teeth whitening process.           

The treatment time required for whitening the tooth is dependent on the time of exposure and the concentration of the bleaching compound used. This in turn is dependent on the type of whitening method employed, usually 1 to 2 shades for lower quality teeth whitening kits, and up to 6-8 shades for professional teeth whitening kits.

Risks associated with teeth whitening kits

Commonly reported risks associated with teeth kits to include increased tooth sensitivity and mild gum irritation. The degree of these side effects is directly related to the concentration of the bleaching component used, the duration of the treatment, and the non-bleach composition of the ingredients. Tooth sensitivity usually occurs at the time of treatment and can last several days; gum irritation begins within a day of the treatment and can also last several days.

It is important to note that these side effects are mostly associated with the use of hydrogen peroxide and not to the same extent as the use of PAP as an active bleaching agent tend to not cause sensitivity or irritation to the gum.

How long does the whitening results last?

One of the common questions is “How long will the results last?”. It is difficult to predict the persistence of whitening treatments because users may routinely expose their teeth to dark food or beverages, which are known to stain teeth and would experience re-staining within a month after the whitening treatment is concluded. However, if the teeth are not exposed to chromogens such as coffee, red wine, cigarette smoke, dark foods etc. then it would be reasonable to assume that whitened teeth could persist up to a year after completed treatment. Depending on your lifestyle, there will be a few months between top-up treatments and at-home kits can be used for those treatments.

Best teeth whitening kit in the UK  

Here at VOLT London, we are passionate about bringing you premium oral care products that are made in the UK, in factories run by people that we know and trust. Our teeth whitening gel contains premium dental-grade ingredients and has been clinically tested to cause no pain, sensitivity, or damage to the teeth during or after the treatment. The gel does not contain hydrogen peroxide, the most used active bleaching ingredient in most other whitening products, and that can cause sensitivity or irritation. The active whitening ingredient in our Professional Teeth Whitening Kit is Phthalimidoperoxycaproic acid (PAP), which has been formulated by leading British dentists and is manufactured in the UK using the highest quality dental –grade ingredients to deliver clinical results.   

The VOLT London Professional Teeth Whitening Kit use Dual Light Technology to optimize the effect of our high-quality teeth whitening gel with oxidising ingredients that help safely and effectively whiten your teeth whilst wiping away years’ worth of stains caused by coffee, wide, soda, smoking and more.

Benefits of using VOLT London Professional Teeth Whitening Kit

  • Advanced 18% PAP Whitening Technology
  • Enamel Care Technology – safe for the enamel and gel formula enriched with vitamins and minerals to promote gum and enamel health  
  • No sensitivity, gum irritation, or weakening of enamel
  • Whitens both tooth surface and in tooth crevices for optimal whitening results  
  • Removes surface stains caused by coffee, wine, soda, food, smoking and more
  • Not tested on animals and vegan friendly
  • No Artificial Colours or harmful chemicals 
  • Manufactured to ISO 22716 standards in a UK laboratory using premium quality dental-grade ingredients
  • Whitening gel has been formulated by leading British dentists

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