Polyglutamic Acid (PGA) for combination skin
⏱ 1 min read
⚡ Quick answer: Does Polyglutamic Acid (PGA) suit combination skin? A large humectant that sits on the surface and holds water there. What it does for combination skin, when to use it (BOTH), and how to work it into a Korean routine.
Is Polyglutamic Acid (PGA) good for combination skin?
A fermentation-derived humectant that originates in natto, the Japanese fermented soybean. It is bigger than hyaluronic acid, so it behaves more like a moisture-holding film than a deep hydrator — which is why the two are often stacked.
Why it suits combination skin
- A large humectant that sits on the surface and holds water there
- Layers well over hyaluronic acid for a plumper look
💡 How to use: BOTH · patch-test and introduce gradually.
Full Polyglutamic Acid (PGA) guide → · Combination skin guide →
Explore more K-beauty guides → ⏭ Up next💠 Trehalose for combination 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.