Outdoor sunscreen reapplication reminder Timer
Reapply every 2 hours while outdoors; reapply immediately after swimming or sweating without waiting for the timer.
Outdoor sunscreen reapplication reminder
Start after finishing this sunscreen application.
Reapply every 2 hours while outdoors; reapply immediately after swimming or sweating without waiting for the timer.
Keep the page open and device sound on. Background tabs and locked screens may pause the alarm.
Everyday timers
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Timing basis and usage notes
This preset is based on the sources below. Follow the ingredient and timing conditions.
美国皮肤科学会|How to apply sunscreenWhen time is up: Reapply sunscreen according to the label, then start the next reminder.
Times are for guidance. Ingredient size, starting temperature, quantity and heat affect cooking. An alarm does not mean food is safely cooked; check doneness and continue cooking if needed. Adapt movement and rest to your abilities.
Sources checked: 3–4 October 2026
How to use
Reapply every 2 hours while outdoors; reapply immediately after swimming or sweating without waiting for the timer.
- Check that this preset matches your activity and conditions.
- Start after finishing this sunscreen application. At the stated starting point, press Start.
- Reapply sunscreen according to the label, then start the next reminder.

