Sunburn & relaxation?

i have a sunburn i need a remedy for it. My friends and i hav been swimming all 2dy and ystrdy. My friend took a bath in vinegar, but I don't know if that works. Anything else to like soak in also. i thought that milk worked.IDK. also, how much 2 put in the bath? and what are some other like aroma therapy or something like that 2 help you relax and calm your nerves. Please nobody say to use aloe. I HATE it. It makes my skin all sticky.