All hail sunscreen and its ability to help protect you from UV damage. Sure, the skincare staple might already be in your beauty bag, but do you know all about this sun guard? Learning how often to apply it and how to decipher its label can ensure you get the most out of your sun protection. Read here 8 important points to remember related to sun protection by a dermatologist. Take the quiz to test your sun safety knowledge and share your score with your friends.