Is diode laser advisable on thin hair? And how to minimize laser hair removal burns/hyperpigmentation?

I have type III skin and some of the hair on my back/chest/stomach/forehead/cheeks is thin but black will diode laser work for it or would it make it thicker or cause pimples/burns? And what's the best way to avoid hyperpigmentation from laser? When is it advisable to exfoliate/shave before the session? And when should I exfoliate after? Thank you very much.

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