Potassium Carrageenan

Potassium Carrageenan molecular structure
molecular structure · PubChem
AKA: Potassium salt of carrageenan, Carrageenan potassium
Synthetic
Occlusive
Emulsifier
Not Clean
OriginExtracted from red seaweed species (Rhodophyceae class) harvested from marine environments worldwide. Produced through alkaline extraction and potassium salt conversion of the seaweed's natural carrageenan polysaccharides.
Potassium Carrageenan is the potassium salt of Carrageenan
CAS #
64366-24-1
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Holds Formula Together
Stabilizes Emulsion
Creates Protective Barrier
Controls Viscosity
The paper trail
🔬Peer-reviewednone on file
⚖️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
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR