Smilie’s Boost teeth whitening kit is on sale for Black Friday and the brand says 98% of users have seen visible results after just one use
As Black Friday approaches, shoppers are snapping up bargains on a wide range of items. A dazzling smile is often associated with confidence and now achieving it could be more accessible as whitening brand Smilie is offering up to 70% off its entire store during its Black Friday event.
The sale is on now and will run until midnight on 3rd December 2025. As Australia’s leading dental developer home teeth whitening brandSmilie claims its system delivers professional-grade results from the comfort of your own home, without pain, sensitivity or expensive trips to the dentist.
Currently, the brand Boost teeth whitening kit is available for £59, down from £111.39. The kit includes three gel whitening pens (equivalent to 30 treatments) and an LED whitening device, it says the Mirror.
According to Smilie, 98% of users have seen visible results after just one use. There’s also a 30-day money-back guarantee for peace of mind. In addition, as part of the sales event, Smilie is offering an exclusive Black Friday Pack.
This exclusive package includes a Super Boost teeth whitening kit with dual treatments, a Super Glow toothpaste and professional whitening for up to two years. Worth a total of £182, the kit will retail for £55 during the Black Friday sale.
The Super Boost Teeth Whitening Kit is available from Smilie

Smilie is Australia’s #1 dentist-developed at-home teeth whitening brand, with over 1 million treatments completed and the prestigious title of Australia’s Best Teeth Whitening Kit.
The brand recommends a three-step process. First, brush your teeth, then apply the Smilie formula evenly to both upper and lower teeth. Second, gently insert the mouthpiece and leave it in place to whiten for 16-30 minutes. Once this time period has passed, they recommend rinsing the mouth and mouthpiece after use.
Alternatively, Boots is offering half price on Wisdom Intense White Professional Teeth Whitening System and other selected Wisdom products. The brand claims it can lighten teeth up to eight shades in just seven days, with just 15 minutes of treatment per day. The kit includes a pen and gel applicator that is activated by blue light and is price £17.50below the usual price of £35.
Another alternative is the Smile Science Harley Street Professional Teeth Whitening Kit available at Superdrug for £14.99reduced from £29.99. This kit is suitable for sensitive teeth, according to the brand, thanks to a clinically proven two-component, dentist-approved formulation that works within ten days.
As for Smilie, its whitening product has received many positive reviews from users and was previously named Australia’s best Teeth whitening kit from Prevention magazine. Sandra Davis, 66, shared a testimonial about the brand: “I feel a little silly writing this, but here it goes!
“I just wanted to leave a review as I think it’s extremely helpful for others to know exactly what a difference this product can make. Of course, I understand that everyone is different and I certainly didn’t expect my teeth to miraculously look like a 20 year old’s!”
Sandra added: “But what I can say is that they look better than they have in decades! At 66 and having lost my partner a few years ago, I had lost my confidence. This has helped me get my spark back. It means more than words can say. From the bottom of my heart, thank you, Smilie and Dr Tankard.”
Another customer commented: “Honestly blown away! I expected them to lighten up slightly, but not like this!”
An additional user liked it, but was slightly underwhelmed with the results: “Smilie is much better than more expensive brands. The button on the device took some getting used to, but otherwise seamless.
“Easy to use, non-irritating and quick. I definitely saw results, but not as much as I had hoped. Still, a great home remedy to improve your teeth.”
In another review, one user remarked: “Very happy with how effectively this worked. I’ve always felt confident about my teeth, to the point where I really haven’t smiled in a photo since I was a kid. It was so easy and after six days, my teeth actually look a lot whiter, especially around the gums where they were very discolored.”
Smilie’s Black Friday Sale is on now and ends at midnight on December 3rd, 2025. Up to 70% off storewide.
