Shoppers love £20 teeth whitening product that's 'perfect' for brightening holiday smiles

Shoppers are flocking to buy a dentist-approved teeth whitening product that's small enough to take on holiday. MySweetSmile's Precision Teeth Whitening Pen is reported to have an average rating of 4.6 across 500,000+ customers.

It uses a dentist approved PAP formula that works on sensitive teeth by oxidising stains and is perfect for traveling as it's small enough to fit in your liquid allowance and can be tucked easily into a handbag or pocket. It also has nHA to protect your enamel and PVP to prevent new stains forming.

You can target smaller areas and specific stains with the pen that you can't quite achieve with strips or other forms of at home teeth whitening. It's also easy to keep in your work bag for a quick fix before any events.

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One shopper said: "This whitening pen works fast and is very easy to use. My teeth do not become sensitive when using it. My second purchase and will keep buying."

A second said: "This teeth whitening system is easy to use. Application is simple and it goes on in seconds. Depending on how often you use it, whitening of teeth can be accomplished faster. Have purchased before and will buy again.

A third wrote: "This product was amazing definitely give it a thumbs up. It says use three times per week but I used mine once per day because I had really bad teeth before and noticed the difference immediately, it took around a month of daily use before I ran out of gel which is good for the price, and I will buy again soon. Highly recommended."

A fourth added: "This product is extremely easy to