I am used lots of facewash to glow or fairness. Or it really useful bt only few days just like 4 day or 5 day .after that my skin looks very dull and black .and after the using face wash there was no good result. It was totally dull !whenever I used facewash fairness may occur bt only few days I don't know why. Sr please help. M what kind of facewash good for m to increase my fairness or glamorous ,wht m.i do.