Polyglyceryl-3 Diisostearate is an oil-soluble nonionic emulsifier produced by reacting polyglycerin with isostearic acid. It stabilizes water-in-oil systems, wets and disperses pigments, and improves spreadability in color cosmetics and balms.
An emulsifier that helps color cosmetics apply smoothly and evenly.
Category
Emulsifying, Skin Conditioning
Type
Emulsifier
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Promotes even color laydown and a smooth glide in makeup. Helps keep rich, water-repellent textures uniform and comfortable on skin.
Uses In Skincare & Cosmetics
Used in lipsticks, cream foundations, and cream blushes to improve application and stability. Also found in balm cleansers and water-resistant sunscreens to maintain consistency.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Typically well tolerated with minimal irritation risk; avoid use on broken skin and discontinue if redness occurs. Heavier W/O textures it enables may feel occlusive for very oily skin types. No known broad regulatory restrictions in cosmetics.
Is Polyglyceryl-3 Diisostearate a Good Ingredient?
It's an effective oil-soluble emulsifier that stabilizes water-in-oil systems and wets pigments well, improving spread and payoff with generally low irritation potential, which earns it a Good rating. Its performance is reliable across color cosmetics and balms without requiring high use levels.