Cyanidium caldarium extract
AKA “Red algae extract, Thermophilic alga extract”
Extract
Ingredient Facts
Cyanidium caldarium extract
AKA: Red algae extract, Thermophilic alga extract
Extract · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Extract
Not Clean
Cyanidium Caldarium Extract is the extract of the alga, Cyanidium Caldarium, Cyanidiophyceae.
Family
Cyanidiaceae
Plant Part
Whole Plant
Form
Liquid
See origin →
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
Derived from a thermophilic red alga discovered in hot springs. This is a modern ingredient with no traditional use; developed for skincare due to the alga's unique polysaccharides and potential antioxidant properties in contemporary formulations.
Skin Types
●all-skin-types
Best For
Antioxidant
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR