I burnt my scalp! 🔥🔥

I tried coloring my hair on my own and it was burning when I put it but I let it be . It's been 3 days since and now I'm having big flakes of scalp peel off my scalp (sorry if grose) . It looks like huge chunks of dandruff and I'm embarrassed as shi*!!! What should I do to heal it ?? I'm at a loss :/