Does an SPF product expire?

Question

My sunscreen stuff has no expiration date. Maybe it rubbed off. I have no idea when I got it. Should I worry about it expiring, or is it not that important with this stuff?

Answer 1

Best Answer - Chosen by Asker

no it does not expire unless left in the sun then it gets too hot in the bottle an breaks down the ingredients,, anyway, I buy sunscreen in quantity when it go on sale during winter for my daughter for the next summer an its always still worked, I was also told by my doctor that experation dates was mostly invented to make a person go out an buy more new stuff.

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Asker's Comment:

ty