When it comes to SPF, proper storage and disposal matters.
We’re all into bulk buying, but the one thing you should never buy in bulk?
And within the realm of skincare, SPF is probably the most imperative of them all.
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“Avoid exposing it to extreme heat or sun, like inside your car,” suggests Koestline.
Excessive heat and sunlight on a bottle of sunscreen lead to loss of effectiveness.
Another option is to maximize your sun protection in other ways to minimize the need for sunscreen.
FDA,Sunscreen: How to help protect your skin from sun.
Accessed October 30, 2022.
