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Moumoujus

ETHYL METHACRYLATE.

Avoid CAS 97-63-2 / VISCOSITY CONTROLLING

Ethyl Methacrylate is a reactive monomer primarily valued for its capacity to polymerize, forming a durable, protective film that acts as a binder and film-forming agent. While integral to industries such as nail enhancement and adhesives, its direct application in precision skincare is highly discouraged due to significant safety concerns.

Summary

film-forming viscosity controlling binder

Science

Mechanism of Action

As a monomer, Ethyl Methacrylate readily polymerizes, rapidly interacting with other multifunctional methacrylates to create a highly cross-linked polymer. This forms a robust, protective film on surfaces like nails, enhancing durability and binding components. Importantly, this monomer has demonstrated the ability to penetrate intact skin, potentially inducing immunological reactions within draining lymph nodes.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Ethyl Methacrylate is a reactive monomer used for its polymerizing properties, not a substance typically 'dusted' or used for subtle, unspecified effects in cosmetic formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Ethyl Methacrylate is prone to premature polymerization when exposed to light or heat. Formulations typically require stabilization with inhibitors such as hydroquinone or monomethyl ether hydroquinone (MEHQ) to maintain its monomeric state and product integrity.

Conflicts

  • peroxides
  • oxidizing agents
  • bases
  • acids
  • reducing agents
  • halogens
  • amines
  • light
  • heat

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk High

The CIR Expert Panel deems Ethyl Methacrylate safe for use in artificial nail products, but strictly with directions to avoid skin contact due to its high sensitizing potential. It is classified as a significant skin irritant and sensitizer, capable of causing allergic contact dermatitis, redness, and inflammation. While the FDA banned 100% liquid methyl methacrylate in 1974, there are no specific FDA regulations prohibiting Ethyl Methacrylate at lower concentrations in cosmetics. However, products containing Ethyl Methacrylate in Canada mandate an 'Avoid skin contact' label. The SCCS similarly restricts related methacrylates to nail plate-only application, explicitly warning against skin contact. It also poses risks for serious eye and respiratory irritation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Ethyl Methacrylate carries a high risk of skin irritation and sensitization, making it unsuitable for inclusion in precision skincare formulations designed for direct dermal contact.

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