What are these lines I have on my scalp?
This is a condition called Cutis Verticis Gyrata: shown here in Wikipedia: https://en.wikipedia.org/wiki/Cutis_verticis_gyrata There are varying degrees of this and the Wikipedia photos is the most extreme.
2020-05-01 02:55:072020-04-29 10:56:36Cutis Verticis Gyrata (photo)