Octinoxate: what it is in skincare
A widely used filter that helps absorb UVB rays to support the skin's defense against sunburn.
What it does
Function: UV filter (chemical, UVB). 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.
How to spot it on a label
On a Korean product's INCI list, look for Octinoxate. 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 more K-beauty guides → ⏭ Up next☀️ Octocrylene: what it is in skincare✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-08.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.