Is teeth whitening safe?

Teeth whitening is a common oral treatment and is considered safe when you follow the user instructions. There are two options to whiten your teeth:  

  • In-office Teeth Whitening: requires a visit to a dentist office that use a combination of LED or laser light systems and stronger teeth whitening gel to bleach the teeth. Each treatment takes about 60 minutes, cost £350-800, and it’s possible to get 6-8 shades brighter teeth. You should only seek treatment from certified dentists and not local beauty salons who are not trained dental professionals.  
  • Teeth Whitening Kit: at-home teeth whitening kit with lower concentration of active bleaching agent than what you would get in the dentist office. These kits are designed for 30-minute treatments from the comfort of your home and are less expensive than in-surgery treatments. It’s important to check the ingredients to understand the safety and effectiveness of those products.

Most teeth whitening kits are safe to use as long as you follow the usage recommendations. Typically most treatments last for 20 – 30 minutes per day for 7 – 14 consecutive days. However, this does not mean that all teeth whitening kits are effective at generating promised whitening results and can contain ingredients that have not been subject to clinical trials to prove their abilities to whitening teeth. 

Most teeth whitening kits contain hydrogen peroxide, which is an active bleaching agent with oxidising properties designed to remove surface stains from the teeth. In the UK, at home whitening kits containing hydrogen peroxide are allowed only if they contain less than 0.1% 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.

Other teeth whitening kits may use natural ingredients to whiten your teeth such as activated charcoal, sodium bicarbonate, coconut oil, sodium perborate etc. Whilst safe to use, the problem is that none of these natural ingredients are truly effective at whitening your teeth and are mainly aimed at removing surface stains.      

Stay away from products with strong ingredients

It’s important to note that some teeth whitening kits sold online contain dangerously high levels of hydrogen peroxide, which can cause significant risk to your oral health. Very high levels of hydrogen peroxide means that you are potentially exposed to causing damage to the tooth enamel and gum by overusing the product. Research shows that highly concentrated hydrogen peroxide causes enamel softening, surface roughness, and an increase in the susceptibility of the tooth to demineralization, based upon in vitro findings. Thus it’s important to buy teeth whitening products from trusted brands.

Teeth whitening is safe when using the right product

In summary, teeth whitening is safe but shy away from non-professional brands who sell products that are not manufactured in Europe and whose teeth whitening products have not been approved by the EU and UK regulator for use at home. This should clearly be indicated on the packaging and on the website and will minimise the chances of you buying a teeth whitening product that is not safe for home usage. If you are new to teeth whitening and concerned about the risks of whitening your teeth, it’s best to speak to your dentist first before buying any products. 

VOLT Professional Teeth Whitening Kit

Here at VOLT London, we are passionate about bringing you a premium teeth whitening kit that is 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.  


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