A plant polysaccharide from konjac root. It draws water and gives a soft gel texture. Well tolerated.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
A plant humectant and thickener. Safe.
Glucomannan is a plant polysaccharide obtained from konjac root. INCI: Glucomannan. In a formula it works as a humectant, thickener, and film former: it attracts and holds water, raises viscosity, forms a thin smooth film on skin, and gives a feeling of comfort. It is a functional moisturizing component with a sensory effect rather than a potent active. Pregnancy safety. The large molecule does not penetrate skin, is systemically negligible, and there is no evidence of harm. It can be used during pregnancy and lactation. Tolerance. Irritation and allergen potential are low, suitable for sensitive skin.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Glucomannan is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Glucomannan suits: normal, dry, combination, oily, sensitive.
A plant polysaccharide from konjac root.
The INCI name is Glucomannan. It may also appear as: Глюкоманнан, Konjac Glucomannan.
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