Biosaccharide Gum-3
AKA “Biosaccharide Gum-3, Fermented Polysaccharide
Synthetic
Ingredient Facts
Biosaccharide gum-3
AKA: Fermented Polysaccharide
Synthetic · Humectant · EWG: 4
Plant-Derived Synthetic
Humectant
Skin Conditioner
Synthetic
Clean
Biosaccharide Gum-2 is a fermentation gum derived from sorbitol. It is described as a polymer of alpha.-L-fucose-1,3-alpha-D-galactose-1,3-alpha-D-galacturonic acid trisaccharides, and is characterized by a smaller degree of polymerisation and molecular weight in comparison to Biosaccharide Gum-1 Science: Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
Effective at 3.0%
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Viscosity Controlling
Locks in moisture
Traditional Use
A biotechnologically-engineered polysaccharide developed for use as a humectant and thickening agent in contemporary cosmetics. Part of a family of bio-fermented ingredients designed to replace synthetic gums.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.0004%
6.0%
0%8%
Effective Range
CIR reported use: 0.0004-0.5 | 0.002-6
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR