Stubborn hyperpigmentation - after a full year of laser treatments - Need more help!

I am a 40 year old redhaired female, and have undergone a full year of laser treatments to reduce severe hyperpigmentation on arms, legs, chest, and shoulders. (With limited, temporary, and mixed results, even though I am faithful to maintain sunscreen). Would melanin reduction/whitening surgery be a viable option for Caucasian hyperpigmentation ?

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