Help I don't know how I can make my OC head bigger and more detailed

Help
1

I’m trying to make a profile pic for myself and I’m trying to use my OC but I don’t know how to make the head bigger and more detailed. any tips?

2

whats ur oc?

3

Resize the head and detail it?

4

ts so niche cuh

u over here talm bout sum bigger making some mega mind type shit? just kiddng gng

5

wtf cuh :hedgehog::hedgehog::hedgehog::hedgehog::hedgehog::hedgehog::hedgehog::hedgehog:

6

i dont even remember that was so long ago lol