How To Treat Rashes Around Vagina After Using Hair Removal Cream?

I really hope someone can answer this. I have some kind of rash or something around my vagina? its like, ever since i used this nair hair removal cream there was a slight reaction that was just a grey circle, it was itchy and a little bumpy. but then it spread and now almost my entire (outside/around) my vagina is covered in this dry grey rash thing, on the outline of certain bits its like a bit bumpy and stuff. its itchy and like, a little sore. i'm a virgin! i am far too embarresed to go to a doctor! please help me! :(