Sunburn Remedy - Instant Relief & Overnight Healing - Supplies: Clean washcloth, Raw apple cider vinegar, coconut oil. Wet washcloth with cold water, then splash on the apple cider vinegar. Dab the wet cloth onto your sunburn, soaking the skin. After a few minutes, your skin should be dry. Next liberally rub coconut oil to the sunburned area. Continue with the coconut oil for several days to promote healing & to help ease the skin peeling that is usually inevitable after a burn.