Vinegar
You can cool a bad sunburn by dabbing the area with a cotton ball or soft cloth saturated with white or cider vinegar. This will be especially helpful if it’s applied before the burn starts to sting.
Mayonnaise
To treat dry, sunburned skin, slather mayonnaise liberally over the affected area. The mayo will relieve the pain and moisturize the skin.
Tea Bags
Wet a few tea bags and apply to the damaged skin to take out the sting. If the sunburn is all over your body, run a bath and put some teabags in the bathwater to soak your whole body in the tub.
Yogurt
For quick, temporary relief of a mild sunburn, apply cold, plain yogurt. The yogurt adds much needed moisture and the coolness will also soothe your skin.
Baking Soda
For quick relief, soak gauze pads or large cotton balls in a solution of 4 tablespoons of baking soda mixed in 1 cup of water and apply it to the affected areas. If the sunburn is on your torso or legs, take a lukewarm bath with a half to full box of baking soda and add it to the running water.