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How Often Should You Reapply Sunscreen? (A Simple All-Day Plan)
Most people apply sunscreen once in the morning and assume they’re covered all day. They’re not. Sunscreen wears off — and the protection you applied at 8 a.m. is mostly gone by lunch. Here’s the simple rule.
The basic rule: every 2 hours
When you’re outdoors, reapply every two hours. Sunscreen breaks down with sun exposure, sweat, and normal skin contact, so even a high SPF needs topping up to keep working.
When you need to reapply sooner
- After swimming — reapply right after you get out and towel dry, even if it says “water resistant.”
- After heavy sweating — sports, hiking, and hot days wear it off faster.
- After towel-drying — the towel physically removes product.
”But I’m wearing makeup”
This is the #1 reason people skip reapplication — they don’t want to wreck their makeup. The fix is a stick or powder format you can swipe over makeup without rubbing.
A balm-style stick like the Supergoop! Glow Stick SPF 50 glides on over foundation with no mess, which makes the every-2-hours rule realistic when you’re out and about.
A simple all-day plan
| Time | What to do |
|---|---|
| Morning | Apply a fluid SPF as the last step of your routine |
| Every 2 hours outside | Reapply (stick over makeup is easiest) |
| After swimming/sweating | Reapply immediately after towel-drying |
How much is enough?
For your face and neck, use about two finger-lengths of product. Most people apply far too little, which means you’re getting a fraction of the SPF on the label.
Keep a reapplication SPF in your bag, your car, and your beach tote — the easiest sunscreen to reapply is the one you have within reach.
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