Lithothamnion calcareum extract

Lithothamnion calcareum extract 1
photograph
AKA: Red Algae Extract
Plant-Derived
Skin Conditioner
Extract
Clean
OriginLithothamnion calcareum is a red algae species from the Corallinaceae family found in coastal waters worldwide, particularly the North Atlantic. The extract is obtained through solvent extraction of the algal thallus material.
Lithothamnium Calcarum Extract
Family
Corallinaceae (family of red algae)
Plant Part
Thallus
CAS #
Varies depending on extract
Form
Liquid
Skin Types
●all-skin-types, gentle
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.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.0059–0.037%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2021
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR