Pseudoalteromonas Exopolysaccharides
AKA “Biofilm polysaccharide, Marine polysaccharide
Skin Conditioning
Ingredient Facts
Pseudoalteromonas exopolysaccharides
AKA: Biofilm polysaccharide, Marine polysaccharide
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Marine
Not Clean
Pseudoalteromonas Exopolysaccharides are the exopolysaccharides excreted by the fermentation of Pseudoalteromonas.
Form
Liquid
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.
Locks in moisture
Traditional Use
A modern biotechnology ingredient derived from marine bacteria fermentation, developed in the 21st century for cosmetics to provide humectant and film-forming benefits inspired by natural polysaccharides.
Skin Types
all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR