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Moumoujus

ALLUVIAL MUD.

Valuable CAS - / ABRASIVE, BINDING

Alluvial mud, also known as Maris Limus, is a mineral-rich ingredient known for its purifying, soothing, and skin-protecting properties. It significantly improves skin barrier function and hydration, while contributing antioxidant and anti-inflammatory benefits.

Summary

Absorbent Skin Protecting Soothing Viscosity Controlling Antioxidant Anti-inflammatory Barrier Support Hydrating

Science

Mechanism of Action

This ingredient functions through multi-modal action: clay particles adsorb excess sebum and toxins, while ionic exchange delivers essential minerals (Ca2+, Mg2+, Zn2+) to support enzymatic activity and barrier repair. Moderate Ionic Osmotic Stress (MIOS) further stimulates cell proliferation and moisture retention.

Research

Clinical Evidence

High confidence
Effective range ≤100%
Optimal

N/A

Key findings

  1. 01 Application of 100% pure mineral-rich mud significantly increased skin antioxidant enzymes (Glutathione Peroxidase, Superoxide Dismutase), contributing to anti-aging and anti-inflammatory effects.
  2. 02 High magnesium and strontium content in alluvial mud improved skin barrier function and hydration, reducing roughness and inflammation in patients with atopic dry skin.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 8.5
0 7 14

Stability

Alluvial mud is a semi-colloidal suspension that requires high-yield-stress thickeners (e.g., Xanthan Gum, Bentonite) to prevent phase separation in water-based systems. It exhibits viscoplastic shear-thinning behavior.

Conflicts

  • High concentrations of electrolytes/salts (can cause flocculation)
  • Cationic surfactants (may bind to negatively charged clay particles)
  • Strongly acidic environments (below pH 4.0 may degrade mineral structure)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
100%
Sensitization risk Low

Refined cosmetic-grade mud is processed to negligible levels for potential heavy metal contaminants like Nickel and Chrome, ensuring safe topical application.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

A valuable, multi-functional ingredient for diverse skin types, offering purification, barrier support, and antioxidant protection with a high safety profile.

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