The white stuff that comes out of your pores like thin strings when you squeeze your nose is called a sebaceous filament. It’s mostly made up of sebum (oil that your skin produces) and dead skin cells ...

Look closely at your nose or chin and you’ll probably notice tiny dots in your pores. Many people assume these are blackheads, but more often than not, they’re something else entirely: sebaceous ...

Sebaceous filaments are structures that allow sebum to flow to the surface of the skin. Tiny glands beneath the skin create sebum, which is an oily substance that helps lubricate the skin. When the ...

That stubborn blackhead may actually be a sebaceous filament. Fact checked by Isaac Winter Medically reviewed by Hadley King, ...