Some DIY home teeth-whitening kits, being sold online, can burn your gums and damage your teeth because the kits have too much hydrogen peroxide in them.
DIY at-home products can legally contain up to 0.1% hydrogen peroxide, while products used by professional dentists can have up to 6%.
But watchdog ‘Which?’ tested 36 home kits and found that 21 of them have more than 0.1% hydrogen peroxide.
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The British Dental Association’s Dr Paul Woodhouse said:
One bleaching gel kit, from the Oral Orthodontic Materials store on AliExpress, had 300 times more hydrogen peroxide than is legally allowed in-home kits – 30.7%.
This is also 5.12% more than is legally allowed in products used by professionals.
Oral Orthodontic Materials said it ‘found the mistake, corrected it in time and that the product has been removed from sale’.
Which? is concerned that the popularity of teeth-whitening kits on social media and the lack of regulation is putting people at risk of damaging their mouths.
The watchdog’s head for consumer protection policy, Sue Davies, said:
Dr. Woodhouse said:
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AliExpress stated that it has ‘promptly’ removed listings that ‘Which?’ found had too much hydrogen peroxide in, adding:
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