1- Use a sunscreen with SPF.
Using sunscreen is obviously the most effective way to prevent sunburn and various skin problems; these problems include dark spots, tanning, aging and also more serious concerns like skin cancers. Make sure to choose a sunscreen with a sun protection factor (SPF) between 15 and 50 and also water resistant. If you planning outdoors apply sunscreen 30 minutes before going out and reapply every 2 hours if you are swimming or sweating. And don’t forget to apply sunscreen to your lips, nose, ears and the tops of your feet.