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Moumoujus

FOSSILIFEROUS LIMESTONE POWDER.

Insufficient Data / EXFOLIATING, HUMECTANT

Fossiliferous Limestone Powder, primarily composed of Calcium Carbonate, is a geological derivative often utilized for its textural and humectant properties. It offers a mechanical exfoliating action while potentially supporting skin regeneration through calcium-mediated cellular processes.

Summary

Physical exfoliant Humectant Filler Skin conditioning agent

Science

Mechanism of Action

This ingredient functions as a physical exfoliant due to its particulate nature, mechanically removing dead skin cells. Concurrently, it exhibits humectant properties, drawing moisture to the skin. As its core component is Calcium Carbonate, it may also contribute to stimulating epidermal cell proliferation (keratinocytes and fibroblasts) and enhancing collagen synthesis, mirroring the known role of calcium in cutaneous wound healing and repair.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

Composed chiefly of Calcium Carbonate, this powder is considered insoluble in water. It exhibits instability in acidic environments, vigorously effervescing and dissolving upon contact with dilute hydrochloric acid as carbon dioxide is released. At approximately pH 6.5, some calcium dissociates, and carbonate content can slightly increase, providing a buffering effect. Therefore, it is unsuitable for formulations with an acidic pH.

Conflicts

  • Strong acids

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) has not specifically evaluated Fossiliferous Limestone Powder for safety. While assessments exist for related materials such as natural clays and silicates, no direct safety opinion from CIR or the European Commission's SCCS database was identified for this specific ingredient.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Insufficient Data

While possessing potential exfoliating and humectant properties with possible cellular benefits, the absence of specific safety assessments and clinical studies necessitates further research for comprehensive evaluation.

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