Cyanidium caldarium extract

AKA: Red algae extract, Thermophilic alga extract
Plant-Derived
Skin Conditioner
Extract
Not Clean
OriginDerived from Cyanidium caldarium, a thermophilic red alga in the Cyanidiaceae family found in hot springs. Extracted from the whole plant using solvent extraction methods.
Cyanidium Caldarium Extract is the extract of the alga, Cyanidium Caldarium, Cyanidiophyceae.
Family
Cyanidiaceae
Plant Part
Whole Plant
Form
Liquid
Skin Types
●all-skin-types
Best For
Antioxidant
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.
Locks in moisture
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's newest survey reports no concentration of use.
CIR · 2020 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR