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Moumoujus

AMINOPROPYL DIMETHICONE.

Valuable CAS 99363-37-8 / HAIR CONDITIONING

Aminopropyl Dimethicone is a versatile aminosilicone that forms a flexible, water-resistant film on the skin, enhancing texture and providing silky emolliency. It acts as an effective skin conditioner, smoothing irregularities and reducing transepidermal water loss without a greasy feel.

Summary

hair conditioning skin conditioning film forming

Science

Mechanism of Action

As an aminosilicone, its cationic charge creates a strong affinity for the skin, improving substantivity. This forms a breathable barrier that minimizes TEWL and provides long-lasting emollient benefits.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Non-sensitizing in a clinical repeated insult patch test (HRIPT) using 83 panelists at 5.0% concentration.

Transparency

Dusting Analysis

Not commonly dusted

No data available to suggest Aminopropyl Dimethicone is commonly dusted in formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 9
0 7 14

Stability

Highly stable across a wide pH range (4.0-9.0), it is insoluble in water but soluble in organic solvents and other silicones. It is often supplied as an emulsion for water-based systems.

Conflicts

  • Strong oxidizing agents
  • Highly anionic surfactant systems

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

Generally used at concentrations up to 15%, it is considered safe when non-irritating, as large polymers are not absorbed through the skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Aminopropyl Dimethicone is a highly beneficial film-former and skin conditioner, enhancing texture and moisture retention across all skin types with low irritation risk.

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