I have a straight dark line running through the middle of my forehead from within the scalp to the nose. It appeared about 5 years ago and I have no idea what is the cause.
When you feel it, it feels like a dip or a bump. It feels like the muscles has separated or there is a deformation in my skull.
I am not sure if it is a skin problem or not.
Please help me out.
Thanks,
Chandresh