Lithothamnion Calcareum Extract

INCI: LITHOTHAMNION CALCAREUM EXTRACT

CAS Number
223751-73-3
Function
Skin protecting - protects the skin from external influences; remineralizing agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed. Not prohibited or restricted; also marketed as a dietary supplement (Aquamin) with GRAS history

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Considered safe (EWG safety level: 1). No documented toxicological concerns. Sourcing sustainability may be a consideration, as the red alga is harvested from marine environments. Derived from Lithothamnion calcareum (also called Phymatolithon calcareum), a calcified red alga. Uniquely rich in natural calcium and magnesium carbonates that form the algal skeleton. Also contains iron, manganese, boron, nickel, copper, zinc, plus bioactive polyphenols and terpenes with antioxidant properties. Th...

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Concern Level: High

Regulatory Flags

plant-extract eu_children_restricted

Frequently Asked Questions

Is Lithothamnion Calcareum Extract safe in cosmetics?

Considered safe (EWG safety level: 1). No documented toxicological concerns. Sourcing sustainability may be a consideration, as the red alga is harvested from marine environments. Derived from Lithothamnion calcareum (also called Phymatolithon calcareum), a calcified red alga. Uniquely rich in natural calcium and magnesium carbonates that form the algal skeleton. Also contains iron, manganese, boron, nickel, copper, zinc, plus bioactive polyphenols and terpenes with antioxidant properties. Th... The EU classifies Lithothamnion Calcareum Extract as "permitted". Safety rating: MODERATE.

Is Lithothamnion Calcareum Extract allowed in the EU?

Lithothamnion Calcareum Extract EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Lithothamnion Calcareum Extract do in cosmetics?

Lithothamnion Calcareum Extract functions as: Skin protecting - protects the skin from external influences; remineralizing agent. It is classified as a cosmetic ingredient in our database. CAS number: 223751-73-3.

What is the Margin of Safety for Lithothamnion Calcareum Extract?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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