Do sunscreens expire?
Yes, sunscreens do expire. Unfortunately the regulation
and labeling of sunscreens is not rigid. While some sunscreens do have an
expiry date, many do not. So when you buy a sunscreen the first thing you
should look for is the expiration date. In general, most sunscreens last about
3 years. However, if you use sunscreen liberally most will only last one
summer. To make sure your sunscreen is effective buy one with an SPF of at
least 15.
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