If you don’t know what a sebaceous filament is, let us fill you in.

While sebaceous filaments mightlooklike they’re blocking your pores, they’re not.

In fact, they’re actually serving a pretty important function.

Image of person touching their face

Esthetician Renee Rouleau explained to the outlet that not everyone has visible sebaceous filaments.

So how can you tell the difference between a blackhead and a sebaceous filament?

For starters, sebaceous filaments typically line your t-zone.

Up-close image of blackheads on nose

If you see a telltale black spot on the side of your face, it’s probably a blackhead.

Pimple Popper, sebaceous filaments are typically lighter than blackheads.

Is there anything that can be done about sebaceous filaments?