Which Color LED is Best for Treating Hyperpigmentation on Dark Skin? (photo)

Which LED color would be best for treating hyperpigmentation on darker skin? Green or Yellow? How long until results can be seen? How many treatments/visits should I expect to go to? I am also very concerned about making the hyperpigmentation darker, like the blue LED does. Is it true that hyperpigmentation will darken before being 'broken down' and then lightening? Thank you so very much for your thoughtful replies.

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