Summary
Teeth whitening toothpastes, strips and gizmos are more popular than ever. But what is the evidence that any of them actually work? And what about the HiSmile Teeth Whitening Kit that's been doing the rounds on social media?
Are these products The Best Thing Since Sliced Bread or marketing BS?
Greg Foot talks to fashion commentator and broadcaster, Grace Woodward about her experience with these products while Professor Martin Ashley, Consultant in Restorative Dentistry at the University Dental Hospital of Manchester, is on hand to separate the science fact from the science fiction.
Presenter: Greg Foot Producer: Beth Eastwood
Transcript
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| 0:00.0 | Hello, podcast fan. |
| 0:03.0 | Consider this your invite to the UK's biggest podcasting party. |
| 0:06.7 | We're heading to Sheffield from the 4th to the 6th of July |
| 0:09.0 | for the BBC Sounds Fringe at the Crossed Wires Festival. |
| 0:12.8 | We'll be joined by some of the biggest names in podcasting, |
| 0:15.3 | including Sarah Cox, Charlie Hedges, Russell Kane, |
| 0:18.4 | and some bloke called Greg James doing his radio four show called Rewinder. |
| 0:23.2 | You can watch live shows of your favourite podcasts, and the best part is free. |
| 0:28.0 | To book your free tickets, go to crossedwires.org slash fringe. |
| 0:34.4 | BBC Sounds, music, Radio, podcasts. |
| 0:40.3 | Welcome to The Best Thing Since Slice Bread, a podcast from BBC Radio 4 that hunts for the science behind the hype. |
| 0:46.4 | I'm Greg Foote, and I've made it my mission to find out if the trending products we see on social media really are as great as their adverts claim. |
| 0:54.5 | Today's investigation is another much-requested one, teeth, whitening toothpaste, strips and gizmos. |
| 1:00.7 | Are they the best thing since sliced bread or marketing BS? |
| 1:04.8 | And a heads up, we're going to take a close look at one brand that's all over Instagram, |
| 1:09.2 | high smile. |
| 1:10.6 | Do join the conversation on Twitter. I'm at |
| 1:12.7 | Greg Foote and we use hashtag BBC sliced bread. And as always, I've got two guests to help me |
| 1:17.6 | run these teeth whitening products through the evidence mill today. The first is Grace Woodward, |
| 1:22.7 | fashion commentator and broadcaster. Hi Grace. Hello. People seem much more hung up on having white teeth these days and they did say what five years ago. |
| 1:31.3 | Why do you think that is? |
| 1:32.3 | Well, Instagram's really kicked off in the last five years. |
... |
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