im 23yrz old,my skin tone is dusky bt I used to have a clear skin with no pimples bt dark circles under my eyes.from few months my skin started having pimples on my forehead,cheeks,chin,nose n leaving scars n even pigmentation on my forehead ,complete under eyes area,where my lips were becoming too dark.every1 are pointing me out because of this pigmentation.please help me out with this pigmentation and pimples please please please