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The Conversation
The Conversation
Anna Wang, Associate Professor of Chemistry, UNSW

How does fake tan work, and why does it sometimes smell ‘biscuity’?

Inna Rabotyagina/Pexels

Real tans come from UV-triggered pigment production in living skin; that same UV exposure increases the risk of skin cancer.

Bronzers are simply coloured coatings that sit atop the skin and can be washed away.

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