Polyglutamic Acid폴리글루타믹애씨드
폴리글루타믹애씨드pol-li-geul-lu-ta-mik-ae-ssi-deu
On a Korean label: 폴리글루타믹애씨드 = Polyglutamic Acid — PGA.
What it is
A polymer of glutamic acid that holds water. It is made by fermentation and is a main component of the sticky threads of natto.
On a Korean label
Written 폴리글루타믹애씨드.
Korean rules
The Korean ingredient dictionary lists no limit, label caution or functional-ingredient status for it.
Questions
What is 폴리글루타믹애씨드?
Polyglutamic acid (PGA), a water-binding polymer.
Sources
Checked 26 October 2026. Rules change — the official texts above are the final word.