Usually sebaceous cysts aren't harmful, but occasionally they can become infected (which makes them sore ). They can also look unsightly, and when they are on the scalp, they can catch in your ...

But, don't worry, the bump may just be a sebaceous cyst, which is an eyesore but won't necessarily cause you any harm. While most sebaceous cysts go away on their own, there are ways that you can ...

I had one removed from my head when I was about eight-years-old and didn't have another until two years ago. Now I have three that have come up on my head beneath my hair.