How to Safely Extract Sebaceous Filaments! Most of us don't like how they look, but they are part of healthy skin structure. Sebaceous filaments can look more noticeable because of oily skin, aging skin, and larger hair follicles. They can make areas like the nose and chin look textured and bumpy, especially under makeup. Remove them safely no more than twice monthly with the Geske 9 in 1 Microcurrent Skin Scrubber & Blackhead remover. Use it on clean, damp skin on the EXFOLIATE function to take