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SODIUM ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER.

Valuable / FILM FORMING

A synthetic acrylic polymer engineered to enhance the texture and stability of skincare formulations. It proficiently thickens products and stabilizes emulsions, ensuring a consistently smooth and uniform consistency by bridging both oil and water components. This ingredient also provides a subtle protective film on the skin's surface.

Summary

viscosity agent emulsion stabiliser thickener stabilizer protective barrier formation

Science

Mechanism of Action

This ingredient is a cross-linked acrylic polymer that functions primarily as a thickener and emulsion stabilizer. Its unique structure incorporates both hydrophilic (water-attracting) and hydrophobic (oil-attracting) groups, enabling it to effectively bind water and oil phases. This action prevents phase separation, resulting in a smooth, homogeneous product texture. By increasing formulation viscosity, it improves spreadability and can form a light protective barrier on the skin. Its reactivity to pH changes further allows for precise control over product consistency and can help stabilize active ingredients.

Research

Clinical Evidence

High confidence
Effective range 0.1–5%
Optimal

0.5%

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 5 – 7
0 7 14

Stability

This polymer exhibits robust stability within a pH range typically between 5 and 7, which is optimal for most cosmetic formulations. This broad pH tolerance contributes to its widespread use and consistent performance. Products containing this ingredient should be stored under normal conditions and shielded from extreme temperatures to maintain stability.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
30%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed this ingredient safe for use in cosmetics under current practices and concentrations, with a critical restriction: it must not be polymerized in benzene. Data for forms polymerized in benzene are insufficient for a safety determination, and such forms pose potential contamination concerns, as noted by EWG.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER is a valuable formulation enhancer, highly effective as a thickener and emulsion stabilizer, well-tolerated across all skin types at typical usage concentrations (commonly under 1%, up to 5% in products) and deemed safe with careful adherence to polymerization standards.

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