What Causes ‘Sunburn’ and How Is It Different From ‘Tanning’?

Sunburn happens when your skin gets too much of the sun’s strong rays, like a really hot hug. Tanning is like your skin getting a little bit stronger from playing outside, it turns darker to protect you better. Sunburn feels sore and red, while tanning makes your skin look golden.

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Examples

Lying out in the sun too long without sunscreen gives you a painful red rash.
Getting a tan after a few days at the beach makes your skin look golden like a sun-kissed apple.
A quick walk outside with no protection turns into a burning, sore face.

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Categories: Science · sunburn,tanning,ultraviolet light,skin biology