I m suffering from lpp. Pigmentation started from face and now it has spread to neck and hands. In hands 1st it was white spots which turned to brown spots. I m using sunscreen and tracoz ointment. My face has bcm black and patches. Wen I start any medicine it shows effects but later on as if it stops working. There is no itching or burning.my neck, face and hands are fully covered with brownish patches. Plz help me cm out of it.