Science
Mechanism of Action
Phymatolithon Calcareum Extract provides critical minerals such as iron, manganese, boron, nickel, copper, and zinc, vital for maintaining skin moisture levels and the structural integrity of collagen and elastin fibers. Its polyphenolic and terpenoid content confers significant antioxidant capabilities, effectively neutralizing free radicals and mitigating oxidative stress. When sourced from its synonym, Lithothamnion calcareum, it acts as a cellular energizer by regulating skin electrolyte balance and enhancing osmotic exchanges, thereby boosting skin vitality. Furthermore, it contributes to skin homeostasis by preventing dehydration, supports regulated cellular turnover for improved tone, and reinforces the skin's natural defenses against environmental damage and infection.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The dissolution of calcium and magnesium minerals from this extract is highly pH-dependent, with significantly greater release observed in acidic conditions (e.g., pH 2.0) compared to neutral or alkaline environments (pH 6.0-8.0). This suggests that formulations aiming to maximize mineral delivery may benefit from an acidic pH. The extract itself can be prepared using a 1:1 methanol/deionized water solvent.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has determined that there is insufficient data to definitively assess the safety of Phymatolithon Calcareum Extract (and its synonyms, Lithothamnion Calcareum Extract and Powder) for cosmetic applications. This determination is primarily due to a lack of comprehensive systemic toxicity or sensitization data. However, it is noteworthy that a specific mineral extract from Lithothamnion calcareum, marketed as Aquamin®, has been granted GRAS (Generally Recognized As Safe) status for use as a food supplement (GRAS 000028).
Your Skin
Skin Compatibility
Our Assessment
Verdict
While offering a robust array of beneficial minerals and antioxidants for skin hydration, vitality, and protection, the current lack of comprehensive safety and clinical efficacy data from the CIR Panel warrants a cautious approach in high-precision formulations.
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References
Sources