Propylene Glycol Alginate

AKA: Alginate Propylene Glycol Derivative
Synthetic
Marine
Clean
OriginDerived from sodium alginate, a natural polysaccharide extracted from brown seaweed, then chemically modified. Produced by esterifying alginate with propylene glycol through chemical reaction to increase solubility and stability.
Alginic acid, ester with 1,2-propanediol
CAS #
9005-37-2
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Viscosity Controlling
Boosts Collagen
Wound Healing
Anti-Inflammatory
Holds ingredients together
Controls product thickness
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.00001–0.15%
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: CosIng · EWG · CIR