Do I really need to wear it if I’ll be indoors most of the day?

Even if you’re not spending the afternoon at the pool, you’re still guaranteed to come into contact with UV rays through the window or by peeking outside. Studies show that daily use of sunscreen can significantly lower your risk of skin cancer and signs of skin agingTrusted Source such as wrinkles, hyperpigmentation, and dark spots.

Reapplication reminders: Always reapply sunscreen. Aim for every 2 hours if you’re outside. The sunscreen you initially put on can move or shift throughout the day. It also takes about 20 minutes for sunscreen to work. If your sunscreen has thicker zinc oxide, you may be able to get away with using less sunscreen, but if you’re unsure, don’t risk it!