Lithothamnion calcareum powder
molecular structure · PubChem
AKA: Lithothamnium Calcarum Powder, Powdered Lithothamnium Calcarum
Plant-Derived Synthetic
Clean
OriginNative to France, Atlantic Europe. Derived from Lithothamnion calcareum, a red coralline algae native to Atlantic European waters, particularly France. Obtained through harvesting, drying, and mechanical milling into fine powder form.
Lithothamnium Calcarum Powder,Powdered Lithothamnium Calcarum
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Abrasive
Physical Exfoliant
Gently polishes surface
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
CIR Safety Findings
Mixed Eye Irritation Results
1 study / 1 mixed / reactions moderate (CIR 817)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2020 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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