Hi, information provide by you are not complete and will request you to play answer following questions,
Since when you have this issue.
How did it started , means any know reason account to you
Was this first time
Etc
As per your narration I would advise you to apply oil or ghee over it at least three time a day
Once you provide full details will able to help you out further.
Please feel free to contact me if you have any further doubts
Answered2019-03-08 19:19:24
Let others know if this answer was helpful