murphyGigartina stellata extract
molecular structure · PubChem
AKA: False Irish moss, Sometimes referred to as carrageenan (though this term can be broader)
Plant-Derived Synthetic
Skin Conditioner
Extract
Clean
OriginNative to Found in coastal regions, particularly the North Atlantic. Derived from Gigartina stellata, a red algae species native to North Atlantic coastal regions. Extracted from the algal thallus through solvent extraction or water infusion methods.
Gigartina Stellata Extract is a cosmetic ingredient. Rated low hazard by EWG.
CAS #
223751-69-7
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Skin Protecting
Shields skin from damage
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR