Shoppers rave this teeth whitening pen works 'immediately' in brightening smiles so we tried it

Professional teeth-whitening can offer impressive results, but it’s pricey and not always convenient – step into the screen this teeth whitening pen shoppers are raving about.

There’s a huge range of at-home teeth whitening products on offer that are easy, safe and, according to some satisfied users, can be very effective.

One brand that’s become a best-seller on Amazon is MySweetSmile, which sells non-peroxide products, with its teeth whitening pen an apparent sensation to those wanting brighter gnashers.

Claiming they noticed results ‘immediately’ one shopper 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.’

After a few weeks of use, this shopper claimed they saw a brightness to their teeth: ‘At first I was sceptical about whether this would work, but good price so thought I’d give it a go and after a couple of weeks it has made a noticeable difference. Very pleased.’

Another claimed: ‘I wasn’t expecting this to work much, but it literally brightened my teeth in 1 use, which I was over the moon with. After several uses it has made my teeth a lot whiter.’

So, in a quest to brighten up our own smile, we gave the whitening pen a go to see if it was worth the faff.

Firstly, the pen uses a precision brush that’s ideal if you want a more targeted approach – for example, if there are certain teeth you want to focus on or if you have crowded or crooked teeth and hard-to-get-to areas.

It’s also handy if you want to take it with you anywhere as it fits easily into a pocket or handbag, so perfect for keeping your smile pearly white on holiday.

To use, just twist the base of the pen to dispense the gel and apply it directly to your teeth. Wait 10 minutes, rinse with water and then you’re done. It’s so simple it’s almost too good to be true…

Metro tries the MySweetSmile Precision Teeth Whitening Pen

Mel says: ‘In a quest for brighter gnashers I gave this teeth whitening pen a whirl after it crossed my desk. I’m quite sceptical when it comes to at-home teeth whitening products, but upon looking at the ingredients and seeing it didn’t involve any peroxide, I figured I’d try it.

‘Full disclosure: I don’t have an off-colour smile, but it could definitely be brighter.

‘Using the pen is easy enough, you twist the end until the product comes out, then essentially paint your teeth and try not to get it all over your lips for 10 minutes before rinsing. That’s probably the most annoying part, to be honest.

‘Does this pen do the trick? I’ve used it once every few days over the course of a few weeks after seeing some people notice results after just one use. Sadly I haven’t seen amazing brightness after one lick of paint so it seems I need to engage it for far more uses than I do to see remarkable change.

After several weeks of use, I can see a brightness, but no real remarkable change (Picture: Metro)

‘However, as someone who is fond of a coffee (or four) and glass of red wine (not necessarily together…), I was pleasantly surprised when, during a routine dental appointment, the hygienist remarked on how staining on my teeth had improved.

‘I try to be strict with my brushing routine so I can’t say that this was all down to the pen, but, still, we continue to strive for those Margot Robbie-esque pearly whites.

‘I wouldn’t *not* recommend it, but if you’re looking for a miracle whitening machine, this might not be it.’


As mentioned earlier, MySweetSmile doesn’t use peroxide in its teeth-whitening pen.

The key ingredient is a chemical called Phthalimidoperoxycaproicacid (or PAP for short), which the brand found – after years of research – oxidises tooth stains without releasing harmful molecules, known as free radicals.

Dr Richard Marques, a leading Harley Street dentist, supports this theory, though explaining that research is in its infancy.

He told us: ‘There has not yet been a great deal of research on Phthalimidoperoxycaproicacid in teeth whitening treatment so it’s difficult to say.

‘It’s considered to be a gentle tooth whitening agent, although it can fail to achieve the same results as other products on offer.’

MySweetSmile’s Precision Teeth Whitening Pen costs £19.99 and is available here.

The whitening pen also contains nHA (hydroxyapatite), which is said to remineralise and strengthen enamel, helping to reduce sensitivity.

However, please heed guidance from Dr Antony Lam when using any teeth whitening product at home, so that you don’t do more harm than good.

  • Do your research and speak to your dentist – the teeth whitening industry has grown significantly in recent times and as a result, there are a lot of low-quality, unsafe products on the market, which deliver sub-par results and actually pose risks to your dental health. Make sure you only use teeth whitening products from a trusted manufacturer and as recommended by your dentist.
  • A lot of whitening strips, and teeth whitening products in general, contain hydrogen peroxide, which can cause damage to the teeth enamel and in turn sensitivity with long-term use or over-use. Again, if you’re concerned that whitening your teeth with over-the-counter products will cause sensitivity, seek treatment via your dentist who will use whitening products in safe dosages and be able to advise on managing any discomfort.
  • Manage your expectations […] if you have more noticeable staining you should consider professional whitening through your dentist, as over-the-counter products are milder and will only make a subtle difference.

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