Yes, that is an interesting article but I'm not fully convinced by it. All I know is that I'm fair skinned & freckle up very quickly in summer without protection. I don't mind freckles as such, but when they start to join up like join the dots, I do mind so I will keep slapping on the SPF.
As a dermatologist, I always tell my patients that sunscreen is the most important skincare product you can have. BUT if you're making one of these sunscreen mistakes, you might not be getting the best sun protection. Watch this video to learn some sunscreen mistakes to avoid, plus tips on how much sunscreen to apply and more.
This video covers - 1. not applying enough sunscreen 2. not reapplying sunscreen 3. relying on sunscreen in makeup 4. mixing sunscreen (with foundation, serums, etc) 5. layering moisturizer on top of sunscreen 6. skipping the rest of your body 7. relying on sunscreen too much 8. skipping sunscreen on cloudy days 9. using expired sunscreen 10. storing sunscreen improperly