Humectant
POLYGLUTAMIC ACID
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A natto-derived peptide humectant that holds large amounts of water. Plumps and softens skin with no notable safety concerns at cosmetic levels.
Function
Skin benefits
- Powerful humectant; holds many times its weight in water
- Forms breathable hydrating film
- Pairs well with hyaluronic acid
Known concerns
- Possible mild stickiness at high %
- Source from natto fermentation; rare allergy
- Quality varies by molecular weight
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related humectants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.