The ingredient, explained
Glucomannan
A published expert safety assessment covers this exact ingredient.
Ingredient guide
What it is and what it does
Glucomannan is the polymer of Mannose containing side chains of glucose
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Skin conditioning
- A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.
- Skin protecting
- A technical role associated with protecting skin from external factors.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Safety assessment
Panel judged glucomannan among the assessed polysaccharide gums safe in the described cosmetic practices and concentrations.
What this does not tell us
Institutional final safety report using group data/read-across, not a glucomannan skin-benefit trial. Food-prebiotic mixture local paper does not isolate glucomannan.
Sources for this summary. Published source ↗
Research review checked Oct 1, 2026
Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Safety assessment
Safety Assessment of Polysaccharide Gums as Used in Cosmetics ↗
· 2015
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Glucomannan is the polymer of Mannose containing side chains of glucose
- INCI name on ingredient lists
- GLUCOMANNAN
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026