How do the chemicals in sunscreen protect our skin from damage?

Energy from the sun’s rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here’s how it works.

By: Kerry Hanson, University of California, Riverside, The Conversation

Outlets: The Conversation

Published: June 6, 2026

Words: 1,559

Last Updated: 1 month, 2 weeks ago

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By Kerry Hanson, University of California, Riverside

Not so long ago, people like my Aunt Muriel thought of sunburn as a necessary evil on the way to a “good base tan.” She used to slather on the baby oil while using a large reflector to bake away. Aunt Muriel’s mantra when the inevitable burn and peel appeared: Beauty has its price.

Was she ever right about that price – but it was a lot higher than …

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