Sebaceous filament 피지선 필라멘트
⏱ 1 min read
⚡ Quick answer: The normal, thread-like structure that channels oil out of a pore. Frequently mistaken for a blackhead, and impossible to remove permanently — it refills because it is meant to.
The normal, thread-like structure that channels oil out of a pore. Frequently mistaken for a blackhead, and impossible to remove permanently — it refills because it is meant to.
🇰🇷 In Korean: 피지선 필라멘트 — this is the word you'll see on Korean packaging and on Olive Young shelves.
Every term in this glossary is used the way Korean brands and Korean dermatology-adjacent marketing actually use it — which is often narrower than the English equivalent implies.
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Explore more K-beauty guides → ⏭ Up next📖 Dewy 촉촉✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-10.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.