My beauty accessory: a nose pack for removing blackheads

I think I bought this at Olive Young. It's a nose pack, and since I have a lot of blackheads on my nose, I use nose packs whenever I have time.

Is it because of oily skin? I don't know why I have so many blackheads on my nose; they look so ugly and bother me a lot. That's why this is my essential item!!