Polyglutamic acid from fermented natto soy. Forms a hydrating film and holds water more efficiently than hyaluronic acid.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Japanese brands favor natto gum for a visible lifting effect right after application. Long-term data stays limited to marketing publications.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
Natto Gum is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Natto Gum suits: normal, dry, oily, combination, sensitive.
Polyglutamic acid from fermented natto soy.
The INCI name is Natto Gum. It may also appear as: Polyglutamic Acid, Bacillus/Soybean Ferment Extract.
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