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SODIUM ACRYLOYLDIMETHYLTAURATE/METHACRYLAMIDOLAURIC ACID COPOLYMER.

Valuable CAS - / OPACIFYING

SODIUM ACRYLOYLDIMETHYLTAURATE/METHACRYLAMIDOLAURIC ACID COPOLYMER is a multi-functional polymer utilized as a thickener and emulsion stabilizer in precision skincare. It significantly improves product texture, delivering a smooth and silky feel, while also preventing the separation of ingredients to maintain formula integrity. On the skin, it forms an imperceptible film that aids in hydration and protection against moisture loss.

Viscosity increasing agent Emulsion stabilising Thickener Dispersing agent Skin conditioning

Science

This copolymer operates by forming a robust, structured network within formulations, effectively increasing viscosity and acting as a dispersing agent. For emulsions, it creates a stable matrix at the oil-water interface, physically encapsulating oil droplets to prevent coalescence and reduce interfacial tension. This action ensures product stability and uniformity. It imparts a desirable pseudoplastic (shear-thinning) rheology to aqueous systems, meaning products remain thick and stable at rest but become fluid upon application for effortless spreading. Furthermore, it enhances sensory attributes, resulting in a smooth and luxurious feel, and contributes to skin conditioning by forming a lightweight, protective film that supports hydration and minimizes transepidermal water loss. Its presence can also facilitate enhanced delivery of active ingredients.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This polymer exhibits excellent stability across a broad pH range and maintains integrity in the presence of electrolytes, alcohols, and various ionic active ingredients.

Conflicts

  • Minimize residual methacrylamidolauric acid monomer through good manufacturing practices, as it is a concern due to potential sensitization.

Safety

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed this ingredient, as part of a group of acryloyldimethyltaurate polymers, safe for use in cosmetics under current practices and concentrations. However, formulators are advised to adhere to current good manufacturing practices (cGMPs) to minimize residual methacrylamidolauric acid monomer, an impurity that could pose potential sensitization risks if not controlled.


Your Skin

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

Our Assessment

Valuable

This versatile copolymer is highly valuable for formulators, enhancing product stability and texture across a wide range of formulations while offering supportive skin hydration benefits without known irritancy or comedogenicity concerns.


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