Dimethylimidazolidinone Rice Starch

Dimethylimidazolidinone Rice Starch is a modified, plant-derived rice starch polymer used in cosmetics as an absorbent, slip-enhancing texturizer. It's included to increase viscosity, mattify feel, and add soft-focus blurring in varied formats.
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Ingredient Snapshot

Overview
A rice starch powder that soaks up oil for a soft-focus, matte look.
Category
Oil Control, Tone/Texture
Type
Thickener

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps control midday shine and gives skin a smoother, more refined look with a soft-focus effect. Can reduce the greasy feel of products for a lighter, more comfortable wear.

Uses In Skincare & Cosmetics

Often included in primers, setting powders, and oil-control moisturizers to improve glide and reduce surface sheen. Also used in liquid foundations to improve a smooth finish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally well tolerated; overuse in leave-ons may accentuate dryness, especially on already dehydrated skin. Low sensitization risk; discontinue if persistent irritation occurs.

Is Dimethylimidazolidinone Rice Starch a Good Ingredient?

Rated Good because it reliably improves slip and mattifies with low irritation potential, supported by broad formulating use rather than strong clinical outcomes. Provides consistent oil absorption and soft-focus blurring without destabilizing most systems.

Products with Dimethylimidazolidinone Rice Starch

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