Barrier 피부장벽
⏱ 1 min read
⚡ Quick answer: The outermost layer of skin and the lipids between its cells, which hold water in and irritants out. Nearly every modern Korean skincare trend is, underneath, about protecting it.
The outermost layer of skin and the lipids between its cells, which hold water in and irritants out. Nearly every modern Korean skincare trend is, underneath, about protecting it.
🇰🇷 In Korean: 피부장벽 — this is the word you'll see on Korean packaging and on Olive Young shelves.
See also
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.
All 44 glossary terms → · Build your routine free →
Explore more K-beauty guides → ⏭ Up next📖 Sebaceous filament 피지선 필라멘트✍️ 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.