murphySodium/TEA-Undecylenoyl Alginate
molecular structure · PubChem
AKA: Seaweed Extract
Plant-Derived
Emulsifier
Skin Conditioner
Hair Care
Marine
Not Clean
OriginDerived from brown seaweed (Phaeophyceae), alginic acid is chemically modified with undecylenoyl chains and sodium or triethanolamine salts. Produced through extraction of alginate from seaweed, followed by esterification with undecylenic acid derivatives.
Alginic acid, 10-undecenoyl derivatives, sodium tris(2-hydroxyethyl)amine salts
CAS #
224580-93-2
Skin Types
●all-skin-types
Best For
Acne
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
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.
Verified Jun 2026
Data: CosIng · EWG · CIR