Science
Mechanism of Action
This ingredient primarily functions as a highly effective solvent, capable of dissolving a broad spectrum of coating resins and serving as an alternative to other organic solvents. Within cosmetic applications, it also contributes as a fragrance component and can act as a propellant in aerosol-based systems.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 In a murine model, dermal exposure to Dimethyl Carbonate at concentrations of 50% and 100% was found to be non-irritating and non-sensitizing to the skin. However, these concentrations induced immune suppression, evidenced by a significant reduction in the IgM antibody response. Furthermore, a significant decrease in thymus weight was observed at concentrations of 75% and greater.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Dimethyl Carbonate exhibits partial solubility in water (up to 13.9 g/100 mL) but will hydrolyze over time in unbuffered water-based systems, generating methanol and CO2. It is highly miscible with most organic solvents. This ingredient is a flammable liquid, and its vapors may form explosive mixtures with air.
Conflicts
- Heat
- Sparks
- Open flames
- Hot surfaces
- Caustic solutions (generates heat)
- Alkali metals (generates flammable hydrogen)
- Hydrides (generates flammable hydrogen)
- Potassium tert-butoxide (violent reaction or ignition)
Safety
Safety Profile
The CIR Expert Panel concluded that Dialkyl Carbonates, including Dimethyl Carbonate, are safe under present practices of use and concentration when formulated to be non-irritating. However, as of 2016, no specific maximum concentration for cosmetic products was reported by CIR, largely due to its limited use in cosmetics at that time. Crucially, a murine study revealed that while dermal exposure at 50-100% was non-irritating, it led to immune suppression and decreased thymus weight, indicating that cosmetic use would require concentrations well below these levels to prevent potential systemic effects. It has been exempt from VOC classification by the US EPA since 2009.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While an effective solvent with documented low direct skin irritancy in animal models, the significant immunotoxic findings at higher concentrations necessitate extremely cautious formulation at demonstrably safe, very low percentages, making its widespread inclusion in precision skincare questionable without further safety data for human topical application.
Related
Similar Ingredients
Finding similar ingredients…