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Sun creams advice guides

It's important to stay protected in the sun. Find out more about how sun creams work and how we test them to make sure they're effective.

5 articles

Baby and child sun creams

How to keep your baby or child’s delicate skin safe from the sun

4 March 2022

Once a day sun creams - do they work?

An appealing product, but do they really work? Find out why Which? doesn't recommend relying on once-a-day sun creams.

4 March 2022

SPF, UVA, UVB: sun cream explained and how to buy the best

Everything you need to know about buying sunscreen and using it properly, from what SPF, UVA and UVB mean, to how much and how often to apply, plus which sun creams are best

28 March 2022

Vitamin D deficiency and sun creams

Find out why vitamin D is important and how to be sure you're getting enough while still staying safe in the sun.

3 March 2022

How we test sun creams

Find out how we uncover which sun creams you should avoid – and which are worthy of our Best Buy accolade.

3 March 2022