Which? Investigates podcast: do whitening toothpastes actually work?

We dig into the facts and ask if we can be confident whitening products work as promised?

When you brush your teeth, do you ever stop to consider if your toothpaste is actually doing what it claims to be capable of on the tube? Teeth whitening toothpastes are as popular as ever, with influencers pushing products that claim to enhance your smile. But look further and the science may be less than solid.

In this week’s Which? Investigates, we dig into those claims, ask whether these products are safe, and if we can be confident they work as promised?

You can find out more about the research we've used and read more about this topic in this episode's show notes.


Which? Investigates podcast

After two chart-topping seasons, the Which? Investigates podcast is back. 

Listen to our team of experts investigating the consumer issues that impact your everyday life. We’ll have new episodes every fortnight, as we uncover the truth about the products and services you use and the consumer stories hitting the headlines. Get behind the claims to find out exactly what you need to know.

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