Shoppers flock to buy £25 dentist-approved teeth whitening solution that wipes away years of stains

Beauty buffs are swearing by a dentist approved product that they swear erases away years of stains in a matter of days. MySweetSmile's Teeth Whitening Powder is a best seller in teeth whitening kits, and has thousands of glowing five-star ratings to back it up.

The teeth whitening powder, which can be bought on the brand's website for £24.99, comes in a six month and boasts a refreshing mint flavour. It's safe for sensitive teeth as it's free from harmful peroxides while using Pentasodium Triphosphate to oxidise stains without causing any damage to your tooth enamel.

It's easy to use, you simply dip your toothbrush into the powder and brush your teeth for four minutes. It's said to work on everyday stains from things like tea, coffee, red wine or smoking.

It's got an average rating of 4.7 out of five stars across over 250,000 customer ratings.

One shopper penned: "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 2weeks 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."

A second wrote: "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."

A third 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."

A fourth said: "On my second