Milk does help heal and soothe a sunburn.
When applying milk to the sunburn wait and allow the sunburn to cool down some and then apply the milk to the sunburn by soaking a washcloth in the cool milk and then lay the washcloth to the sunburn.
You can also dab some milk onto the sunburn as well.
Aloe Vera gel can also help soothe the sunburn after applying the milk to the sunburn.
Most sunburns heal on their own within a week or two weeks depending on how severe the sunburn is.
To prevent sunburn make sure to apply sunscreen to your body that is gonna be exposed to the sun.
Preventing sunburn is the best thing you can do as too many sunburns can sometimes cause skin cancer.
I always apply sunscreen to my exposed skin before going out into the hot sun.
But sometimes I still get sunburns and use milk to help ease the pain of the sunburn.