Teeth whitening products are widely available, but few are supported by published scientific evidence. A £19.99 set of HeySmile Teeth Whitening Strips, sold on Amazon, is drawing attention after research showed it could improve tooth colour by up to 10 shades in just six applications.
According to a published study by G. Thomas, T. Badrock and C. Thompson, researchers used the VITA® Bleachedguide, a globally recognised standard for measuring tooth shade changes. The study found that HeySmile Whitening Gel significantly outperformed a leading competitor.
After six applications, HeySmile achieved an average improvement of 10 VITA® Bleachedguide shades, compared with six shades achieved by the Quick White whitening gel.
The researchers concluded that the HeySmile gel was more effective at whitening stained enamel samples over the same number of applications.
The brand claims users may notice visible results after just one use. Each box contains 28 easy-to-use whitening strips formulated with PAP technology, which is designed to whiten teeth without damaging enamel or causing sensitivity. This makes the product appealing to people who have previously experienced discomfort with whitening treatments.
The strips work by oxidising and breaking down stain molecules caused by common habits such as drinking coffee, tea and red wine. As these molecules are broken into smaller, lighter components, teeth appear whiter.
HeySmile also offers a 30-day money-back guarantee. For shoppers considering alternatives, other options include MySweetSmile Teeth Whitening Strips, priced at £9.99 for 21 treatments, and Crest 3D Whitestrips Supreme Bright, currently reduced from £49.99 to £34.99 for a seven-day treatment.
Crest’s product is designed for once-daily use over 60 minutes and claims to remove up to 25 years of stains.
On Amazon, HeySmile Teeth Whitening Strips hold an average rating of four out of five stars. Many reviewers praised their ease of use, lack of sensitivity and noticeable results after a few applications. Some users reported more modest outcomes, but overall feedback was largely positive.
The HeySmile Teeth Whitening Strips are available to purchase on Amazon.
