Shoppers can save up to £25 on a teeth whitening range which claims to 'remove all types of stains and yellowing'. MySweetSmile tackles stains from drinking tea, coffee, fizzy drinks and wine.

And currently MySweetSmile is offering a buy two get one free offer on their teeth whitening range - meaning you could save up to £25. The range includes a teeth whitening powder, strips, pen and serum - and you can mix and match.

You will also get free next day delivery when using the three for two offer. To use the offer, add three products from MySweetSmile's range and the cheapest will be automatically discounted.

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MySweetSmile's best-selling Dentist-Approved Teeth Whitening Powder is currently reduced to £24.99. It is made with a special ingredient called Pentasodium Triphosphate, which is ideal for people with sensitive teeth.

It is claimed you can that 'hygienist clean feeling from the comfort of your own bathroom'. Each tub of the teeth whitening powder is a six month supply.

Leaving a review on MySweetSmile's website, Alison said: "Only used twice. Already noticed a massive difference. Very pleased so far." Patricia commented: "I am 77 years old and I bought this thinking it’s going to be like everything you see advertised but to my surprise it’s made my old teeth look amazing I shall be ordering again."

Dean posted: "Tried so many teeth white in products never believed they worked and always thought only a dentist can give you white teeth but this products is the best I've ever used. Used it over a week nearly 2 weeks my teeth have never looked so clean and the stains are going slowly I use the powder every 3 days and taste nice don't leave a rank taste after highly recommended."

The My Sweet Smile teeth whitening powder before and after results amid claims it erases 'years of tea, coffee and cola stains'
The My Sweet Smile teeth whitening powder before and after results amid claims it erases 'years of tea, coffee and cola stains'

And Helena added: "A really great product, not only does it remove stains it makes your teeth much whiter and brighter, it seems to be the only product I've found that actually leaves your teeth feeling clean and fresh. This was my 2nd order. With super speedy delivery as well."

You can buy the Dentist-Approved Teeth Whitening Powder for £24.99 on MySweetSmile's website. The nHA+ Enamel Care Serum is also £24.99, while the Precision Whitening Pen and the PAP Teeth Whitening Strips are £19.99.

To take advantage of the offer, simply add three items to your basket - and the cheapest will automatically be discounted. Amazon also sells the MySweetSmile Dentist-Approved Teeth Whitening Powder for £24.99, here.

Elsewhere, Spotlight Oral Care's Professional LED Teeth Whitening System for £119.95. Boots has the Hismile PAP+ Powder for £16. While Superdrug's Charcoal Whitening Toothpowder for £6.39.