Teeth whitening is a minefield to navigate.
There are many products on the market, all promising fast results while keeping enamel safe and sensitivity low. It can be hard to know who to trust.
As an avid tea and coffee drinker – probably consuming six or even seven cups a day – I knew it was time to invest in my teeth.
MySweetSmile’s Teeth Whitening Powder appeared on the scene in 2021 and quickly became Amazon’s best-selling teeth whitening brand.

MySweetSmile Teeth Whitening Powder, £19.99
The brand’s MO follows its line: “You don’t go to the gym for 10 minutes and expect your dream physique. You don’t use skincare products once and expect to wake up with flawless skin.”
This honest approach, emphasizing honesty and patience, sets it apart from competitors who promise instant fixes that don’t deliver.
I put the UK’s most trusted teeth whitener to the test for 30 days, using it twice a week, to see if the powder could safely remove plaque and brighten my smile.
MySweetSmile Teeth Whitening Powder: Quickfire Q&A
How much is it? It’s currently available to buy for just £19.99 on Amazon, and a little goes a long way, with one container providing six months’ worth of whitening.
Who is it best for? Anyone who wants to safely lighten their teeth or reduce stains.
What we loved: It’s great value for money, delivers genuine results and tastes great, with lots of flavor options available.
What we didn’t do: Application can be slightly messy.
MySweetSmile states that 65% of test participants noticed visible results in just two weeks, and I have to say I saw that result too.
The only downside to the powder was the logistics of dipping my toothbrush in it and getting a decent amount.
Other than that, my teeth definitely got brighter and I didn’t have any sensitivity or enamel issues after incorporating the powder into my dental routine.

MySweetSmile Teeth Whitening Powder, £19.99
In terms of cost, a tub of MySweetSmile lasts around half a year, working out at just 38p per use.
I saw results after just two weeks of twice weekly use, meaning a brighter smile for just £1.52.
I liked the subtle mint flavor, but if you want a different flavor, the brand now offers a new Sweet Strawberry option.
So if you want to lighten your teeth and have realistic expectations of when you will see results, MySweetSmile teeth whitening powder it’s definitely the way.
THE The powder is currently 20% off on Amazon. However, it normally retails at £29.99 on the brand’s website, a discount of around 33%.
The Verdict: Is MySweetSmile Teeth Whitening Powder Worth It?
MySweetSmile’s best-selling teeth whitening powder is now a must in my dental routine.
Although it is slightly messy, the results are worth it. I get a lot of compliments on my smile and I haven’t had to sacrifice my daily caffeine intake.
- MySweetSmile Teeth Whitening Powder, £19.99 at Amazon – buy here
