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Moumoujus

AMINOPROPYL CALCIUM/MAGNESIUM POLYSILSESQUIOXANE CHLORIDE.

Valuable / HUMECTANT, SKIN CONDITIONING

This specialized amino-modified silicone polymer is used in advanced cosmetics for its film-forming and moisture-retention capabilities. It helps prevent cracking and flaking in long-wear formulations.

Summary

humectant skin conditioning film former

Science

Mechanism of Action

The polysilsesquioxane backbone creates a durable, breathable film on the skin, while aminopropyl groups enhance adherence. Calcium and magnesium ions contribute to structural stability and may offer minor humectant effects.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–5%
Optimal

N/A

Key findings

  1. 01 L'Oreal Patent WO2024091736A2 (2024): Long wear non-cracking color cosmetic compositions.

Transparency

Dusting Analysis

Not commonly dusted

There is no information suggesting this ingredient is commonly dusted.

The Formula

Formulation

Solubility
Both
Optimal pH 4.5 – 7.5
0 7 14

Stability

Stable in anhydrous systems and oil-in-water emulsions. As a quaternary-like silicone, it maintains stability and skin feel even with electrolytes present.

Conflicts

  • High concentrations of anionic surfactants
  • Strongly alkaline environments

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Recognized in the EU CosIng database and California's Proposition 65 filings. No specific bans or restricted concentration limits are currently established by CIR or SCCS.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This ingredient is valuable for enhancing cosmetic durability and comfort through advanced film-forming and moisture retention properties.

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References

Sources