Any treatment that could save my scalp? (photos)

Dear Doctor, my hairdresser caused me chemical burns, I am sure it is because of the chemicals she applied in my scalp and, unfortunately, it was my first coloring and I had never heard about potential side effects of hair dyes, the dye was ammonia free but she also did highlighting during one session. My scalp has been dry, my hair gets never greasy and even though it's been 3 months, I see no regrowth, the scalp appears shiny in artificial light, is there a treatment that could help me? Please

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