Can Erbium laser can be used in my case?

I'm a mixted girl (my mom's black and my father's white) and I suffer from acne scars. I know that Fraxel can be used safely in my case but I'm afraid that it won't be strong enough and so I won't be satisfied with the results. I was thinking about doing Erbium laser but I don't know if it's okay with my skin type ? I don't care if I get some hyperpigmentation that will go away with time as long as my real scars are gone, I'm more worried about hypopigmentation... What do you recommend me ?

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