First, a note about pore strips: Even store-bought pore strips can be peel-off. As board-certified dermatologist Hadley King, MD, previously told mbg, they can cause irritation if you’re not very careful. “Adhesives can be harmful to the skin, so be sure to use them carefully and follow instructions,” she says. Sure, peeling off pore strips may feel satisfying, but they don’t actually stop blackheads from getting on your nose. “Pore patches can temporarily remove top layer of dead skin cells, but they do nothing to prevent blackheads from building up,” Kim adds. (To address the root causes of these issues, a good exfoliation routine is your best bet).