I am 19 years old and I am facing problem of acne (non inflammatory) on my forehead, face margins, neck and shoulders they have left black marks on my skin. My skin is oily and my scalps are also very oily I have been facing this problem for last 2,3 years I am mentally disturbed and does not feel comfortable in public even in my family gatherings. Please guide me what should I do to get rid of acne and their marks. It would be a great favour, thank you.