Zinc Oxide: what it is in skincare
A mineral filter that sits on skin and helps shield it from a broad range of UV rays while gently soothing.
What it does
Function: UV filter (mineral). UV filters absorb or reflect UV. Korea approves several elegant next-generation filters not yet available in the US, a key reason Korean sunscreens feel so light.
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How to spot it on a label
On a Korean product's INCI list, look for Zinc Oxide. Ingredients are listed high-to-low by amount, so its position hints at how much is in the formula. See all uv filters (sunscreen) →
Explore the full K-beauty hub →✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.