3-O-Ethyl Ascorbic Acid for dry skin
⏱ 1 min read
⚡ Quick answer: Does 3-O-Ethyl Ascorbic Acid suit dry skin? Stable vitamin C derivative notified by Korea's MFDS for brightening claims. What it does for dry skin, when to use it (AM), and how to work it into a Korean routine.
Is 3-O-Ethyl Ascorbic Acid good for dry skin?
The vitamin C derivative Korean brands use when they want a serum that does not turn orange by March. Korea's MFDS lists it among the notified 미백 (mibaek, brightening) functional actives, which means a product carrying that mark on its strength contains a regulated amount. Gentler than L-ascorbic acid, and slower.
Why it suits dry skin
- Stable vitamin C derivative notified by Korea's MFDS for brightening claims
- Water-soluble and far less prone to oxidising than pure ascorbic acid
💡 How to use: AM · patch-test and introduce gradually.
Full 3-O-Ethyl Ascorbic Acid guide → · Dry skin guide →
Explore more K-beauty guides → ⏭ Up next🍊 Ascorbyl Glucoside for dry skin✍️ 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.