What happens if I leave sunscreen in my car?
Whether you live in an area that is warm all year round or are planning on going on summer adventures, it is important to protect yourself from the sun. Let’s say you remembered to bring sunblock, but then you left it in your hot car all day. Can you use sunblock after it has been in a hot car? What happens if I leave sunscreen in my car?
The short answer to this question is no. Unfortunately, you would be better off tossing that sunblock.
What temperature should I keep my sunscreen at?
Sunscreen is meant to be kept at temperatures under 77 degrees. At higher temperatures, the sunscreening chemicals in the sunblock begin to degrade. This can weaken the sunscreen or make it ineffective. The heat can also melt the bottle.
Avoid leaving your sunblock in your car to ensure it stays effective. Store it in a cool, dry and dark place when at home. If you are bringing a cooler to the beach or wherever you are heading out under the sun, keep the sunscreen in there.
Read More: What happens if I leave wine in my car?
Sunblock also only lasts about 3 years, so if you have an older tube, that many not work either. If you are unsure if your sunscreen is still good, the best bet is to replace it with a new one.
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