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Moumoujus

DISODIUM AMODIMETHICONE DISUCCINAMIDE.

Valuable CAS - / VISCOSITY CONTROLLING

Disodium Amodimethicone Disuccinamide is a specialized silicone derivative designed to create a delicate, protective film on the skin's surface. This film effectively minimizes transepidermal moisture loss, leading to enhanced hydration and a smoother, more refined skin texture. Its unique structure also contributes to a temporary reduction in the appearance of fine lines, imparting an emollient feel.

Summary

Emollient Film Former Skin Conditioning Occlusive Viscosity Controlling

Science

Mechanism of Action

This ingredient functions by forming a hydrophobic, occlusive barrier on the epidermal layer. As an amodimethicone derivative, it utilizes positively charged amino groups to adhere substantively to the negatively charged surface of the skin. This electrostatic interaction facilitates efficient film formation, preventing water evaporation and providing immediate textural improvements, including a transient smoothing effect on fine lines.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 5.5
0 7 14

Stability

For optimal deposition and performance, finished products incorporating this ingredient should target a pH range between 4.0 and 5.5. It is recommended to introduce Disodium Amodimethicone Disuccinamide during the cooling phase, specifically when the temperature is below 40 °C, with gentle to moderate agitation to prevent excessive post-addition shear.

Synergies

  • Cationic emulsifiers
  • Cationic polymers

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed 'Dimethicone, Methicone, and substituted-Methicone polymers', a category that includes Amodimethicone. They concluded these ingredients are safe for cosmetic use at concentrations typically up to 15% when formulated to be non-irritating. However, data are currently insufficient to determine safety for applications that may involve incidental inhalation, such as airbrush delivery systems.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

This ingredient is valuable for its ability to form a substantive, protective film that enhances skin hydration, smooths texture, and offers temporary fine line reduction across all skin types, within established safety parameters.

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