Hi,I am Dr. Shanthi.E (General & Family Physician). I will be looking into your question and guiding you through the process. Please write your question below.
Hello, I was pulling up my hair today and noticed a black line running around the back of my neck. At first I thought it was from my chain. I used soap to wash it off. It didn't come off. Am concern that it may be coming from a health problem I might have that i don't know about