Yes. Sunscreen is made to keep its full SPF for about three years unopened. In the US it is an over-the-counter drug, and the FDA requires a printed expiration date unless the maker has shown it stays stable for at least three years; with no date on the pack, count three years from purchase. Once opened, most packs carry a 12-month open-jar (PAO) symbol.
General cosmetics guidance for sunscreen, not a brand promise. A date or open-jar symbol printed on your pack always wins.
Look for EXP and a date on the crimp of the tube, the bottom of the bottle or the base of a spray can. The batch code is usually printed right next to it.
Not for real sun protection. Past its date the UV filters may have broken down, so the SPF on the label no longer holds. Use a fresh pack for a day outdoors.
Most packs show 12M on the open-jar symbol: use it within about 12 months of opening, sooner if it has been kept somewhere hot.
Then the maker has shown it stays stable for at least three years. Write the purchase date on it and replace it after three years, or earlier if it changes.
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