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ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER.

Valuable CAS 27515-37-3 / FILM FORMING

ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER is a versatile polymer primarily used in skincare and cosmetic formulations to create a smooth, protective film on the skin and enhance product texture by increasing viscosity. Its film-forming capabilities also contribute to product adhesion and flexibility.

Summary

Film-forming Viscosity controlling

Science

Mechanism of Action

This acrylate copolymer functions by forming a robust, thin barrier on the skin, which contributes to a noticeably smooth tactile sensation. Beyond its film-forming properties, it serves as an effective thickening agent, optimizing the consistency and spreadability of formulations. Related ethylene/acrylic acid copolymers demonstrate strong adhesion, resistance to stress cracking, and significant flexibility. When containing salts of unsaturated carboxylic acids, it can form thermo-reversible ion networks, known as ionomers, which further enhance adhesion and water absorption properties.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

There is no specific data available regarding dusting behavior for ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER. As a film-forming and viscosity-controlling agent, its primary functional characteristic does not typically involve dusting.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Formulations incorporating this ingredient must be carefully designed to be non-irritating. Related ethylene/acrylic acid copolymers have shown sensitivity to heat and oxidation, suggesting similar considerations may apply to ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER and many other acrylate copolymers safe for cosmetic use, provided they are formulated to be non-irritating. While its concentration can reach up to 98.6% in nail products, its use in leave-on dermal formulations is restricted to a maximum of 25%. Concentrations exceeding this limit may induce irritation. Acrylates and methacrylates are recognized as potential contact irritants or allergens, with increasing instances of sensitization observed within the beauty industry. Furthermore, this ingredient is considered a microplastic, raising environmental safety concerns. Its use is permitted in cosmetic products within the European Union under general regulations.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

ETHYLENE/MAGNESIUM ACRYLATE COPOLYMER is a valuable functional ingredient for enhancing product texture and film formation, though careful formulation within specified concentration limits is essential due to potential irritation and its classification as a microplastic.

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