Hello Doctor , I am a 36yr old married female, wheatish in complexion . I have problems with my skin. I have dark pigmentation around my neck , armpit, inner part of elbows,knuckles, inner part of thighs ,and ankle.I have been told that its Acanthus nigricans. Also I have white patches like abrasions on my shoulders under my bust and on my back where my undercloth touches my body.Occasionally I have itching on this patches. This patches have become so promine nt over the past few years. These disturb me,making me lose confidence on self. I have a history of hypothyroidism for which I am on regular medicines. I am very keen on finding a remedy to my skins problems. Doctor could you please suggest a remedy for these. Thank you.