The top of your head might hurt when you touch it because it has been bruised by hitting it on something. It is also possible to get a sunburn on the top of your head, and that will also make it hurt.
Only direct sunlight, which could cause them sunburn.
No hot water wont give you a sunburn but it sure will burn you! Sunburn is caused by overexposure to the sun's or a tanning bed's ultraviolet rays. Hot water will make a sunburn "burn" if you take a hot shower after getting a sunburn.
Sometimes nerve irritation can make an area more sensitive to touch. There's also chemical exposure, sunburn and such things as that... If you could be more descriptive, perhaps I can answer better...
I think it depends on your skin tone and the amount of melanin you have... the lighter the skin, the easier you sunburn, the easier you hurt yourself.
When water evaporates from the skin, it can remove moisture and make the skin more prone to damage from the sun's UV rays, which can worsen sunburn.
A reflecting sunburn is a sunburn that does not last long.
ice or lotion... somthings that sting makes it hurt but you can tell its working! XD
Mineral oil won't hurt, but won't help much. Seek aloe.
I have gone through the pain of a horrible sunburn. I did use aloe vera but it just hurt. You got to stick through it. don't wear any clothing that rubs up against the skin. three words Light and Flowy.
Nope, it heals it from the pain, it's actually the best to use for a sunburn. But mix it with water on a wash cloth don't soak it just in rubbing alcohol or it may sting at first, with water it don't sting.
I've experimented with this when I had a terrible sunburn, I was red as a lobster and even had chills - I took my temperature and it was 96.5! Scared me!