Dextran

Dextran 1
photograph
AKA: Polydextrose
Synthetic
Not Clean
OriginProduced from sucrose through bacterial fermentation using Leuconostoc mesenteroides or similar microorganisms. The resulting polysaccharide is purified and processed into a powder for cosmetic formulation.
Dextran
CAS #
9004-54-0
Form
Powder
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Viscosity Controlling
Anti-Inflammatory
Boosts Collagen
Antimicrobial
Holds ingredients together
Controls product thickness
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
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Dermal Absorption 20.1–60.7%
5 human studies in the CIR safety assessment (CIR 611)
Concentration Guide
Leave-on0.000005–0.1%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2016
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR