Snapshot
- Overview
- An emulsifier that helps foundation apply evenly without patchiness.
- Category
- Emulsifying
- Type
- Emulsifier
Polyglyceryl-4 Isostearate
A nonionic polyglycerin ester of isostearic acid used as a primary emulsifier in water-in-oil personal care systems. It's chosen to build fine-textured emulsions, improve pigment dispersion in color products, and maintain elegant aesthetics under wear and humidity.
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Our take
Is Polyglyceryl-4 Isostearate a Good Ingredient?
Great rating due to a strong track record in stable W/O emulsions, effective pigment dispersion, and a low irritation profile. Its PEG-free, nonionic nature supports long-wear with elegant sensory.
What it does
Skin Benefits
Improves slip and coverage for a polished, even look without heaviness. Promotes uniform pigment distribution to reduce patchiness in complexion products.
Where you'll find it
Uses in Skincare & Cosmetics
Used in liquid and stick foundations, BB/CC creams, and water-resistant sunscreens to keep texture consistent. Also appears in tinted moisturizers for smooth, controlled application.
Before you use it
Safety
Considered low risk for irritation in leave-on and sunscreen formats, though reactive skin should patch test. No common regulatory limits noted for cosmetic use.
Products with Polyglyceryl-4 Isostearate
