Shoppers report 'visibly whiter' teeth in just days from 'free' whitening pen (2025)

Spring is often the ideal time to kick-start new habits or make personal improvements. With the new season just around the corner, achieving a dazzling smile might be high on your list.

If you're not eager to spend hundreds at the dentist's office, MySweetSmile, which is dentist-approved, is offering customers a buy two get one free deal across all their teeth whitening products.

This limited-time offer could provide the perfect solution for tackling any stubborn stains you're currently dealing with - a common issue often caused by tea, coffee, red wine and cigarettes. There's a variety of products to choose from, including teeth whitening strips, powder, pen, toothpaste, or serum you're after.

If you add three items to your basket, you'll receive the cheapest one absolutely free, potentially saving you up to £25. Even better, you won't have to wait long to start your teeth whitening journey as you'll also benefit from free next-day delivery.

Shoppers report 'visibly whiter' teeth in just days from 'free' whitening pen (1)

The MySweetSmile Teeth Whitening Pen has been praised for delivering 'visibly whiter' results in as little as 'ten minutes', meaning a brighter smile could be yours sooner than you think. MySweetSmile is currently offering a deal where customers can purchase three of the same items or mix and match to sample their entire range, reports Wales Online.

The brand's flagship Teeth Whitening Strips promise to blitz deep-set stains and discolouration within a week, boasting a revolutionary PAP formula that operates without peroxide - circumventing the usual risk of irritation or sensitivity. Customers have been over the moon, with an impressive average rating of 4.6 out of 5.

Feedback has been largely positive, with one customer remarking: "Really clear instructions and comfortable to use. Didn't really have high expectations and have only had for two days but I'm sure I am already see a difference!".

Meanwhile, another shopper was bowled over, sharing: "I've tried so many whitening products before, but these are on another level. Within a few days, I noticed a significant difference – my teeth are visibly whiter and brighter. Plus, they fit comfortably and don't slip around. Trust me, try them, and you won't be disappointed."

Not every review was beaming, however; a less-than-satisfied user stated: "Having used this for over two weeks, I did not see a change in the colour of my teeth. My teeth were not whitened to any noticeable change."

For those seeking a luminous smile on the go, MySweetSmile also offers a Teeth Whitening Pen. Boasting a sleek design with an accurate brush approach, it’s ideal for targeting misaligned or crowded teeth - getting to those tricky areas that other products often miss.

Shoppers report 'visibly whiter' teeth in just days from 'free' whitening pen (2)

The pen is hailed as a time-saving innovation, requiring just ten minutes a day to help users achieve a whiter smile. A delighted customer shared their experience: "I took a chance as I rarely buy online. I've got to say the My Sweet Smile teeth whitening pen is super easy to use, and my teeth are visibly whiter.

"Delivery was incredibly fast, which was a pleasant surprise. This pen has become a staple in my daily routine."

Signs of satisfaction also emerged from another initially sceptical customer, who admitted to being won over by the product: "I was sceptical - after years of drinking wine and coffee my hygienist always makes a big deal about the discolouration/staining, especially between my teeth. I thought I would give this a go, and after just three nights, I'm astounded with the difference, including the right spaces.

"It's easy to use, and the brush is the perfect size for getting into the bits between my teeth that I could never get white. Overall, my teeth are brighter and cleaner, so I'm pleased".

While many customers heap praise on the teeth whitening pen for its convenience and ease of inclusion in their travel kits, fitting effortlessly into bags, there have been some concerns raised around the quantity of gel it comes with. It is recommended for three-times-a-week usage, but a number mentioned the pen ran out swiftly.

Additionally, a handful remarked that the brand's teeth-whitening powder worked better for them.

There are a number of other trustworthy teeth whitening brands on the market, including Colgate. Their Max White LED Teeth Whitening Kit is currently available for £44.99 on Amazon.

Alternatively, Superdrug has reduced the price of the Smile Science Harley Street Professional Teeth Whitening Kit to just £19.99.

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Shoppers report 'visibly whiter' teeth in just days from 'free' whitening pen (2025)
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