Gelidium amansii extract
AKA: Red Seaweed Extract, Agar Extract
Plant-Derived
Skin Conditioner
Extract
Not Clean
Gelidium Amansii Extract is the extract of the alga, Gelidium amansii
Family
Gelidiaceae
Plant Part
Thallus
CAS #
-
Form
Liquid
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.
Locks in moisture
Traditional Use
A red seaweed harvested and used historically in traditional East Asian, particularly Japanese and Korean, skincare and medicine for its hydrating and skin-conditioning properties derived from marine polysaccharides.
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR