Dextran is a polysaccharide produced by fermenting sugars with Leuconostoc bacteria. Formulators use it as a rheology modifier and film former to stabilize emulsions, improve glide, and boost water binding on the skin's surface.
A sugar-based polymer that helps skin hold onto moisture.
Category
Hydration, Skin Conditioning
Type
Thickener
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Helps skin feel more supple by holding surface moisture. Contributes to a smoother, hydrated look in leave‑on formats.
Uses In Skincare & Cosmetics
Used in hydrating serums, eye gels, sheet mask essences, and soothing gel moisturizers for moisture support and texture refinement.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Typically low risk of irritation at common use levels. Rare sensitivity can occur; discontinue if redness or discomfort appears. No known cosmetic‑specific regulatory restrictions.
Is Dextran a Good Ingredient?
Good rating because this fermented polysaccharide improves water retention and texture, offering gentle, immediate hydration with low irritation. It works broadly across formulations without relying on potent actives.