Science
Mechanism of Action
This modified rice starch derivative operates through its microcrystalline structure, which provides significant absorbent properties to control skin oil and deliver a matte appearance. It functions as a viscosity-controlling agent and texturizer, improving the spreadability and lightness of formulations. Additionally, its inherent composition promotes good adhesion to the skin and functions as an emulsion stabilizer, binding product components for enhanced consistency. It is noted for its non-comedogenic profile.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
While not inherently a dusting concern in all applications, this ingredient has been noted in discussions concerning incidental inhalation within spray formulations, such as dry shampoos. Given its use in various powdered and spray products, Moumoujus acknowledges the potential for aerosolization depending on product format. No specific dusting thresholds or red-flag percentages are currently available in the provided data.
The Formula
Formulation
Stability
The ingredient itself maintains a pH of 5.5, closely aligning with human skin, contributing to its non-irritating profile. It is water-dispersible, forming suspensions or gels when incorporated with water, particularly hot water, rather than truly dissolving. This ingredient integrates effectively with other powdered components, enhancing overall product texture and consistency. Its rice starch base demonstrates improved thermal stability at pH 11 and optimal emulsion stability for rice glutelin at pH 9, indicating its capacity to contribute to emulsion stabilization.
Safety
Safety Profile
Dimethylimidazolidinone Rice Starch has not undergone a direct CIR safety assessment. However, it was referenced in a CIR Expert Panel meeting in the context of incidental inhalation safety for ingredients used in spray products (e.g., dry shampoo). It holds an FDA UNII (43YT4X3R70) and is registered in the FDA Voluntary Cosmetic Registration Program (VCRP) database, indicating its use in cosmetics. The ingredient is not listed on EWG's Skin Deep Restricted or Unacceptable Lists, and its intrinsic pH of 5.5 is similar to skin, contributing to its noted non-irritating profile and low irritancy as per Incidecoder.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Dimethylimidazolidinone Rice Starch is a valuable functional ingredient for Moumoujus, particularly effective in formulations targeting oil control, mattification, and enhanced textural elegance, with a favorable low irritancy and comedogenicity profile, despite a 'not reviewed' CIR status.
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