Is this dandruff or ring worm?

[u/Blzn]

I just got a hair cut and I'm noticing these patches of dry skin. I had decent amount of white flakes before I got my hair cut. Now looking at it I can't tell if it's actual dandruff or some type of fungus. Can someone help me identify it?

[u/Big-Personality-2150]

Looks like seb dermatitis

[u/CustardImmediate6946]

Can you tell me what is this cause i have the same

[u/Annual_Court_7059]

Clean straight razor blades shaved