What are these on my forehead? (photos)

I have a bumpy, basketball texture all over my forehead. I'm not sure if they're closed comedones or something else. I exfoliate regularly with a simple cleanser and that seems to either make the appearance better or sometimes it stays the same but they haven't gone anywhere. I've tried squeezing and nothing comes out. (Which makes sense, because there is no opening). Could this be closed comedones? And is it the same for my cheeks ?

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