How we scored it
Where it comes from
Glucomannan is extracted from the tubers of the konjac plant (Amorphophallus konjac), primarily grown in Asia. No synthetic manufacturing route is used commercially for this gum.
In plain English
A plant-based gum from konjac root that helps thicken products and condition skin. It is a natural carbohydrate polymer with no synthetic modification.
CosIng definition: Glucomannan is the polymer of Mannose containing side chains of glucose
Structure
(2S,3S,4S,5S,6R)-2-[(2R,3S,4R,5R,6S)-6-[(2R,3S,4R,5S,6S)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,4R,5S,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2Glucomannan. PubChem CID 24892726. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3GLUCOMANNAN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4GLUCOMANNAN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=GLUCOMANNAN