How bad does it hurt to bleach your hair?

Anonymous
My hair is naturally black/very dark brown. How bad will it hurt to bleach my hair, i want to go with a light brown-reddish color. I will be getting it professionally done. I know my account says i'm a guy but i'm a girl. Also, i have pretty thick coarse hair.
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+1 y
no, you're not being catfished.
How bad does it hurt to bleach your hair?
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