Ad Claims For Tooth Whitening Speed Of Effect Lose Glow For SmileDirect In US, HiSmile In UK

 
• By Eileen Francis

In separate assessments, US industry self-regulation group says SmileDirectClub and UK advertising regulator finds HiSmile didn’t have adequate supporting evidence for claims about speed of teeth whitening.

Bright On
SmileDirectClub contended in NAD review that “3x faster to use than strips” claim for Bright On references only that it's three times faster to use than whitening trips, not that it has faster efficacy.

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