Polyglutamic acid
What is Polyglutamic acid?
A fermentation-derived humectant, often positioned as holding more water than hyaluronic acid and forming a light surface film. Common in Korean hydrating essences and frequently paired with hyaluronic acid rather than replacing it.
At a glance
- Category
- Ingredients
- Also known as
- 폴리글루탐산
- Korean term
- 폴리글루탐산
- Last reviewed
- July 23, 2026
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