Wear Sunscreen Whether you’re going to the beach, or if you are simply going outside to do some yard work, you should wear sunscreen lotion when staying outdoors for 30 minutes or longer at a time. The sun’s powerful ultraviolet A/B rays penetrate through the skin, promoting the formation of wrinkles, fine lines, and early aging — not to mention the fact that sun exposure increases your risk of developing certain types of cancer such as melanoma. The key thing to remember is that you want to choose a sunscreen lotion with a high Sun Protection Factor (SPF), as this number reflects its ability to block dangerous UV rays. Don’t.