burned my armpits

Hey guys so I recently had a chemical reaction to an African black soap deodorant which made my armpits burn and peel and after ditching the deodorant and switching to regular dove one, my armpits have become scarred. I have prom coming up and my armpits are dark and ugly and I’m really scared and i don’t know what to do. I exfoliate using this coconut oil scrub from PINK. I need to get this gone someone please help.

I know there has have to be something since surprisingly chemical burns from deodorant isn’t that rare. Also don’t mind the hairiness I don’t shave in the winter lol oops.