5 doctors weighed in:
Can sunblock expire?
5 doctors weighed in

Dr. Jeffrey Pollard
ENT - Head & Neck Surgery
3 doctors agree
In brief: Possibly
It is a good idea to always follow the expiration dates on medications including skincare.
Some active ingredients may breakdown into other/different active molecules over time.

In brief: Possibly
It is a good idea to always follow the expiration dates on medications including skincare.
Some active ingredients may breakdown into other/different active molecules over time.
Dr. Jeffrey Pollard
Dr. Jeffrey Pollard
Thank
Dr. Frederick Coville
Surgery - Plastics
1 doctor agrees
In brief: Yes and no
Sunscreen, which is the proper term as no product should be thought of as a sunblock, is an over-the-counter product.
As such, you will frequently not find an expiration date on them. I think it is simply a good idea to replace your products every season, just for freshness sake. Any metallic ingredient like titanium or zinc oxide will not expire, but the cream may have ingredients that will.

In brief: Yes and no
Sunscreen, which is the proper term as no product should be thought of as a sunblock, is an over-the-counter product.
As such, you will frequently not find an expiration date on them. I think it is simply a good idea to replace your products every season, just for freshness sake. Any metallic ingredient like titanium or zinc oxide will not expire, but the cream may have ingredients that will.
Dr. Frederick Coville
Dr. Frederick Coville
Thank
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