Hello. I have lots and lots of acne on my back since 4 to 5 years. I have tried every thing to reduce the acne but they grow again and again. I have consulted 2 doctors one game me berberis aquifolium a homeopathic medicine it helps me for 1 month to reduce acne but again some pimples grew, then I went to a dermatologist she gave me persol forte to apply it works when ai use it but when I don't it fails to do work and my acne grow back again. I don't know that to do. Now they are coming from my back to my front neck and shoulder. The scars are looking very ugly and stubborn I want to solve the acne problems and remove it's scars. Please help me.