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SPF, UVA, UVB: sun creams explained
Which? answers all of your key questions about sun creams – how they work, how much sun cream to use, what SPF, UVA and UVB actually mean and which are best.
How we test sun creams
Discover how Which? tests sun creams to find the Best Buys and Don't Buys. We've tested popular brands including Boots, Hawaiian Tropic, Nivea and Piz Buin.
Once a day sun creams
Sun cream that claims you only have to apply it once a day is becoming more common. Find out what Which? tests on once-a-day sun creams found.