Australia’s known for having some of the world’s toughest sunscreen standards, but in June, that reputation was rocked.

Independent testing of 20 sunscreens found 16 did not meet their advertised SPF50 rating, including three children's sunscreens and three sold by the Cancer Council.

So how are sunscreens tested, and what can we learn from these recent SPF revelations?

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Featuring:

• John Staton, scientific director at SciPharm

More information:

Choice report finds popular Australian sunscreens fail to meet SPF claims on label

This episode of Lab Notes was produced on the lands of the Wurundjeri and Menang Noongar people.