Not long: Sperm don't live in the air, on clothes, or on other items. Their natural habitat is warm, fresh semen... not on household objects. Therefore, fresh semen on hands, penises, condoms, etc., that is quickly put into a vagina can still lead to pregnancy.
3. Decrease the Inflammation. At the first sign of sunburn, taking a nonsteroidal anti-inflammatory drug (NSAID), such as ibuprofen, naproxen or aspirin, can help with discomfort and inflammation, says Dr. Brackeen, who practices at the Skin Cancer Institute in Lubbock, Texas.
3. Cornstarch/baking soda for fighting burns. Cornstarch, with its cool, silky texture, is a good way to naturally soothe your sunburn. Like milk, it is one of those things that you probably have lying around your house regardless of whether or not you planned on sizzling out in the sun.