How long does Sunscreen (opened) last?
Replacement guidance for Sunscreen (opened): Follow the printed expiration date. Plus warning signs and cited sources.
Quick answer
Can I still use it?
This item cannot be judged safely from days since opening alone. Use the label and product-specific instructions.
Replace or discard it when the label directs, if the package is damaged, or if any warning sign below applies.
Sealed / unopened: Use the printed expiration date; if none is printed, 3 years from purchase when stored properly
Signs Sunscreen (opened) has gone bad
- Separated layers that won't remix.
- Off chemical smell.
- Color shift from white to yellow.
- Watery or grainy texture.
Discard immediately if
- The printed expiration date has passed
- No date is printed and it is more than 3 years from purchase
- Significant separation, color change, or unusual odor
Why guidance varies
Active ingredients degrade at different rates depending on temperature, humidity, and light exposure; manufacturer dates assume controlled storage conditions.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Sunscreen (opened) last?
Package guidance: Follow the printed expiration date. If there is no date, replace 3 years after purchase when stored properly; follow any printed PAO symbol.. Sealed / unopened: Use the printed expiration date; if none is printed, 3 years from purchase when stored properly. Use the printed expiration date. Heat and direct sun can reduce performance; replace the product if its color, odor, or texture changes.
How can you tell if Sunscreen (opened) has gone bad?
Signs that Sunscreen (opened) has gone bad: Separated layers that won't remix; Off chemical smell; Color shift from white to yellow; Watery or grainy texture.
What does the date label on Sunscreen (opened) mean?
Sunscreen (opened) should be used and replaced according to its printed expiration date and package instructions. Food date-label rules do not apply.
Sources for this answer
- A FDA - Sunscreen: How to Help Protect Your Skin from the Sun — Use the printed expiration date; without one, sunscreen is generally considered expired 3 years after purchase when stored properly.