To the naked eye, sebaceous filaments look like "tiny little black or tan dots," Dr. Zalka says, and they're roughly the size of a pinheads. And when a sebaceous filament has a buildup of oil inside, ...
You’ve got a few at-home options when it comes to removing blackheads, and range from just over $5 to upwards of $100. Ultimately, getting rid of blackheads entails extractions or exfoliants.