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.
Additional treatments for using vinegar on a sunburn include taking a vinegar bath. Draw a lukewarm bath and combine two parts vinegar with one part water. Soak in the bath for 15 minutes or longer. This sunburn treatment can be repeated often, as well. lukewarm bath with added vinegar provides relief to sunburned skin. Aloe vera gel is commonly used to treat sunburn. Vinegar can be put on a sunburn using towels or washcloths.