Mannan
AKA “Mannoglycan, (2S, 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
Synthetic
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Ingredient Facts
Mannan
AKA: Mannoglycan, (2S, 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
Synthetic · Film Forming | Skin Conditioning | Humectant | Viscosity Controlling · EWG: 4
Plant-Derived
Humectant
Occlusive
Skin Conditioner
Synthetic
Clean
Mannan creates a lightweight protective layer on skin and hair, helping products stay put while maintaining a natural feel.
Formula
C24H42O21
Mol. Weight
666.60
CAS #
9036-88-8, 51395-96-1
Form
Powder
Plant-Derived
Synthetic. Mannan 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.
Function
Film Forming | Skin Conditioning | Humectant | Viscosity Controlling
Benefits
Film Forming
Moisturizing
Wound Healing
Strengthens Barrier
Creates protective layer
Traditional Use
A natural polysaccharide derived from plant sources like konjac and locust bean gum, used historically in traditional Asian cooking and traditional medicine as a thickening agent. Adopted in modern cosmetics in the mid-20th century as a stabilizer and thickener.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR