Micro-needling ... too much or okay?

[fatelephant]

I'm using a 1.5mm derma-roller and I do 3 passes pressing pretty hard. Hard enough that it hurts anyway.

This is what my head looks like directly afterwards. There is not continued bleeding or marks once I wash it.

Here is the image:

micro-needling

Image micro-needling hosted in ImgBB

ibb.co

Sorry I have to post a link to the image as the forum's image-upload feature is broken.