Sunscreen Day
May 27 · Level 5 · #1201 of 2238
A reminder that a tan is nice but a sunburn is not. By late May the sun is already strong, which makes it a good moment to turn SPF into a habit.
How it is celebrated: people check the dates on last year's tubes, stock up on fresh ones and swap tips online. Many tuck a bottle into a picnic bag or a desk drawer so they can top up during the day.
The SPF number describes protection against UVB rays, the ones that cause sunburn. SPF 30 filters out roughly 97% of them, yet dermatologists still advise reapplying about every two hours.