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Moumoujus

METHYL METHACRYLATE/PEG/PPG-4/3 METHACRYLATE CROSSPOLYMER.

Valuable / FILM FORMING

This advanced crosslinked polymer acts as a versatile texture enhancer and optical modifier in skincare. Comprising water-loving spherical particles, it contributes to a smooth skin finish, a subtle mattifying effect, and light diffusion. It is also instrumental in improving product texture and stability.

Summary

enhances product texture soft-focus effect light-diffusion emulsifying stabilizing thickening gelling film forming oil absorption water absorption

Science

Mechanism of Action

METHYL METHACRYLATE/PEG/PPG-4/3 METHACRYLATE CROSSPOLYMER functions as a multifaceted cosmetic aid by forming a smooth, even film on the skin's surface. Its small, water-loving spherical particles scatter light, creating a soft-focus or blurring effect that minimizes the appearance of imperfections. Beyond its optical benefits, this ingredient significantly improves product texture by acting as a thickening and gelling agent, yielding non-sticky and supple formulations. It possesses both oil and water absorption capabilities, contributes to mattification, and serves as an effective emulsifier and stabilizer for oil-in-water formulations.

Research

Clinical Evidence

Medium confidence
Effective range 0.3–3%
Optimal

N/A

Key findings

  1. 01 A recommended use range of 0.3-3% has been noted for its efficacy as a thickening and gelling agent, promoting non-sticky, supple textures, and enabling stable formulations across a wide pH spectrum, including low-pH exfoliants.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 3 – 12
0 7 14

Stability

This polymer exhibits exceptional stability across a broad pH range, specifically between pH 3 and pH 12, making it suitable for diverse and challenging formulations, including acidic exfoliants.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Panel affirmed its safety in 2011, a conclusion reaffirmed in 2018, provided that cosmetic formulations containing it are non-irritating. Residual methyl methacrylate monomer levels are typically below 100 ppm. Its safety is further supported by the FDA's determination of Polymethyl Methacrylate (PMMA) as safe for use in various medical devices, establishing a foundational safety precedent for related polymers in cosmetic applications. The ingredient is also listed in the FDA's Voluntary Cosmetic Registration Program.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This versatile crosslinked polymer is a valuable ingredient for improving product aesthetics and performance, offering textural enhancement, optical blurring, and formulation stability across a wide range of skin types and pH conditions.

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