Mannan

Mannan 1
molecular structure · PubChem CID 25147451
AKA: Mannoglycan, CHEBI:28808, (2S, 3S, 4S, 5S, 6R)-2-[(2R, 4R, 5R, 6S)-6-[(2R, 6S)-4, 5-dihydroxy-2-(hydroxymethyl)-6-[(2R, 3R, 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, Alpha-D-Mannan, 6R)-2-((2R, 6S)-6-((2R, 5-dihydroxy-2-(hydroxymethyl)-6-((2R, 6-trihydroxy-2-(hydroxymethyl)oxan-3-yl)oxyoxan-3-yl)oxy-4, 5-dihydroxy-2-(hydroxymethyl)oxan-3-yl)oxy-6-(hydroxymethyl)oxane-3, GlyTouCan:G07552DD, 52002-03-6
Synthetic
Occlusive
Not Clean
OriginMannan is a polysaccharide synthesized from cellulose or derived from plant-based starting materials like guar or locust bean. It is produced through enzymatic hydrolysis or chemical modification of natural polysaccharides to achieve desired molecular weight.
Mannan has been reported in Aloe maculata, Hyphaene thebaica, and Amorphophallus konjac with data available.
Formula
C24H42O21
Mol. Weight
666.60
CAS #
9036-88-8, 51395-96-1
Form
Powder
State
Beige powder; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Moisturizing
Wound Healing
Strengthens Barrier
Creates protective layer
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.01–0.25%
Rinse-offNot reported
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR