Science
Mechanism of Action
This ingredient operates as an emollient, contributing to skin softening and smoothing by potentially establishing a protective barrier that minimizes moisture evaporation. Additionally, it serves as a solvent, facilitating the integration and dissolution of other components within a cosmetic formulation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
While not typically 'dusted' for marketing claims, the absence of proven cosmetic benefits at safe concentrations, combined with severe safety concerns, renders its inclusion in skincare highly problematic rather than merely ineffective.
The Formula
Formulation
Safety
Safety Profile
Dimethyl Maleate has not undergone specific review by the Cosmetic Ingredient Review (CIR) Expert Panel for cosmetic safety. It is classified as highly corrosive to both skin and eyes, causes significant skin irritation, and is identified as a potential skin sensitizer. Human patch test studies have demonstrated sensitization reactions at concentrations as low as 0.1%. GHS classifications include warnings for severe skin burns, serious eye irritation, and allergic skin reactions. While the FDA approves it as a food contact substance for industrial use as a stabilizer in PVC polymerization at up to 0.1%, this pertains to industrial application and not cosmetic safety for direct skin contact.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Given its classification as highly corrosive, a severe irritant, and a potent skin sensitizer, Dimethyl Maleate presents unacceptable risks and should be entirely avoided in skincare formulations.
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