This is the BEST teeth whitening product for pearly whites according to Amazon shoppers: 'My teeth are at least three shades lighter' (and it costs under £25)

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What's the best way to get a bright, sparkly smile? According to Amazon shoppers, this at-home teeth whitening powder works surprisingly well with 'immediate results'.

More than 2,000 customers have already rated the MySweetSmile Dentist-Approved Teeth Whitening Powder five stars, praising the number one bestselling Teeth Whitening Kit on Amazon as the 'best teeth whitening' product they've tried.

MySweetSmile Dentist-Approved Teeth Whitening Powder 

When added to a dampened toothbrush and brushed onto teeth for four minutes, the powder transforms into an effective daily whitening treatment that oxidises stains without causing any enamel damage or sensitivity.

One hundred per cent peroxide-free, the MySweetSmile Teeth Whitening Powder is formulated with PT (Pentasodium Triphosphate).

PT helps to remove stains and yellowing, gently lifting surface stains while preventing tartar and plaque build-up.

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One reviewer explained, 'Really is the best tooth whitening powder ever. Noticed a difference right away'

One reviewer explained, 'Really is the best tooth whitening powder ever. Noticed a difference right away'

One reviewer explained, 'Really is the best tooth whitening powder ever. Noticed a difference right away.'

'My teeth ARE whiter!' a second Amazon shopper wrote. 'I really do like the powder better than the strips I've used in the past. A treatment takes only 4 minutes, not 30 or 60.

'Just brush with it; no adjusting and fussing around with adjusting the strips. I saw immediate results from the first application, and am very happy to use it twice a week.'

When added to a dampened toothbrush and brushed onto teeth for four minutes, it becomes an effective whitening treatment that oxidises stains without causing enamel damage or sensitivity.

One hundred per cent peroxide-free, the MySweetSmile Teeth Whitening Powder is formulated with PT (Pentasodium Triphosphate).

One hundred per cent peroxide-free, the MySweetSmile Teeth Whitening Powder is formulated with PT (Pentasodium Triphosphate)

One hundred per cent peroxide-free, the MySweetSmile Teeth Whitening Powder is formulated with PT (Pentasodium Triphosphate)

PT helps to remove stains and yellowing, gently lifting surface stains while preventing tartar and plaque build-up.

The brand recommends using its teeth whitening powder one to two times per week. The result is a clean, whitened smile.

While you may see quicker results from harsher methods that contain a high dose of peroxide, they can compromise the integrity of your teeth.

PT helps to remove stains and yellowing, gently lifting surface stains while preventing tartar and plaque build-up

PT helps to remove stains and yellowing, gently lifting surface stains while preventing tartar and plaque build-up

The transformation photos prove it works, and customers who have tried the MySweetSmile Teeth Whitening Powder attest to its whitening abilities sharing how its 'worked wonders'.

Others have shared that their teeth were up to three shades whiter after continuous use. Some have also mentioned that it's an 'affordable alternative to professional teeth whitening at the dentist', thanks to its £24.99 price tag for a six-month supply.

'Left my teeth feeling like I have been to the hygienist and brought my teeth up a few shades lighter,' a third Amazon customer shared. 'Will definitely buy again.'

The transformation photos prove it works, and customers who have tried the MySweetSmile Teeth Whitening Powder attest to its whitening abilities sharing how its 'worked wonders'

The transformation photos prove it works, and customers who have tried the MySweetSmile Teeth Whitening Powder attest to its whitening abilities sharing how its 'worked wonders'

'I used the powder every day for the first week and twice a week thereafter,' a fourth customer wrote in their five-star review. 'My teeth are at least three shades lighter, with continuing improvement.'

Another agreed, writing: 'It’s only been a week and my teeth are at least two shades lighter!'