All of us know that putting on sunscreen is a priority when in the sun, but how does it work? We worked with Business Insider's science team to unlock the mysteries behind the chemistry of sunscreen.

Their computer model reproduced the chemistry and circulation of the air ... D.C. (A UV index of 10 is considered very high today and quickly leads to sunburn if you don't wear sunscreen.) In the ...

reminding you that sunscreen is the most essential step in any skincare routine and 2. sharing the best sunscreen recs to shop right now, according to four very picky beauty editors. There seems ...