My Mother got a sunburn about a month ago, and she is itching constantly. Nite time it bothers her mostly.
Answer: what's the question? she's mostly likely just pealing, use lotion lots and lots of lotion.
I learned a new trick- use bees wax lotion or just the wax it helps heal the burn and takes out some of the itching that it causes.
I usually use aloe vera, but I seem to think that the wax does the trick.
If she is still burned and it hurts don't use too much lotion (if the lotion is thick) it will hold in the heat of the burn and make it hotter.
Cool (not cold) wash rag (water) will help too.. Put it on before bed and then it will help her fall asleep faster.
XO
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