You are having swelling on forehead above right eyebrow...right?
It is hard and non movable.
The swelling would be either osteoma
attached to fascia on skull bone.
I usually advise my patients having such problem ,to consult plastic surgeon.
He will examine you, will do lab and radiological test for firm diagnosis.
Only perfect treatment is surgery.. Excision of lesion under local anaesthesia.
He will do excision with taking care of good look cosmetically.
You will be completely alright.
I hope you got my answer.
Dr. Ilyas Patel MD