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Moumoujus

MEA-BENZOATE.

Valuable CAS 4337-66-0 / PRESERVATIVE

MEA-BENZOATE, referencing research data largely pertaining to Methyl Benzoate, is a versatile ingredient primarily employed for its potent preservative capabilities against microbial proliferation. It also offers the benefits of a fragrance, a solvent, and provides mild skin-conditioning and emollient properties, making it suitable for a broad spectrum of precision skincare applications.

Summary

Perfuming Preservative Skin conditioning Solvent Emollient Masking

Science

Mechanism of Action

Operating primarily as a preservative, MEA-BENZOATE (Methyl Benzoate in research context) effectively inhibits the growth of microorganisms in cosmetic formulations, crucial for maintaining product integrity and shelf life. Additionally, it functions as an aromatic compound, acts as a solvent to facilitate ingredient dissolution, and contributes subtle skin-conditioning and emollient effects.

Research

Clinical Evidence

High confidence
Effective range 0.05–0.5%
Optimal

0.5%

Key findings

  1. 01 Approved by the European Union at 0.5% concentration for effective preservation in cosmetics.
  2. 02 A maximization test involving 25 volunteers demonstrated no sensitization reactions when MEA-BENZOATE was applied at 4% concentration.
  3. 03 Extensive occluded patch testing on a large cohort of 4737 individuals utilized concentrations between 0.05% and 0.5%, indicating broad application suitability.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.5%
Red flag below
>0.5%

While MEA-BENZOATE is approved as a preservative up to 0.5%, exceeding this threshold in a formulation typically does not enhance its primary function and may slightly increase the risk of mild irritation. Although studies have shown no sensitization up to 4%, concentrations above 0.5% are generally not for optimized preservative effect and should be carefully considered.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

MEA-BENZOATE maintains stability in air but can undergo slow oxidation. It is prone to saponification and hydrolysis in the presence of strong bases, and may participate in transesterification reactions.

Conflicts

  • Strong oxidizing agents
  • Strong acids (risk of exothermic reactions)
  • Caustic solutions (generate heat)
  • Alkali metals and hydrides (generate flammable hydrogen)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
0.5%
Sensitization risk Low

The CIR Expert Panel concluded that MEA-BENZOATE is safe for use in cosmetic products at current concentrations. Undiluted, it demonstrated mild eye and skin irritancy but was not categorized as a dermal sensitizer. Its use as a preservative is permitted in the European Union up to 0.5%, and the FDA also approves its use as an antimicrobial, flavoring agent, or adjuvant in food applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

MEA-BENZOATE is a valuable, multi-functional ingredient, primarily serving as an effective preservative while also offering fragrance, solvent, and emollient properties, with a strong safety profile at typical cosmetic concentrations.

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