![NHS on Twitter: "The longer a bottle of sunscreen is open, the less effective it is at protecting your skin. If you're using the same sunscreen from last summer, check that it NHS on Twitter: "The longer a bottle of sunscreen is open, the less effective it is at protecting your skin. If you're using the same sunscreen from last summer, check that it](https://pbs.twimg.com/media/FTweM1pWQAEOtBb.jpg)
NHS on Twitter: "The longer a bottle of sunscreen is open, the less effective it is at protecting your skin. If you're using the same sunscreen from last summer, check that it
![Does expired sunscreen still work? Straightforward answers to your burning sunscreen questions - The Ottawa Hospital Does expired sunscreen still work? Straightforward answers to your burning sunscreen questions - The Ottawa Hospital](https://www.ottawahospital.on.ca/wp-content/uploads/2021/07/How_much_sunscreen_should_I_apply_The_Ottawa_Hospital-837x1024.png)
Does expired sunscreen still work? Straightforward answers to your burning sunscreen questions - The Ottawa Hospital
![Is Using Expired Sunscreen Better Than No Sunscreen? Here's What a Scientist Has to Say - POPSUGAR Australia Is Using Expired Sunscreen Better Than No Sunscreen? Here's What a Scientist Has to Say - POPSUGAR Australia](https://thelatch.com.au/wp-content/uploads/sites/2/2021/09/Sunscreen-1-1-1.jpg)