Back to Ingredient Dictionary

Polyglyceryl-4 Isostearate

Description

Polyglyceryl-4 Isostearate is a versatile emulsifier and skin-conditioning agent widely used in cosmetic and personal care formulations. This synthetic ingredient is derived from the esterification of polyglycerol with isostearic acid, resulting in a compound that effectively bridges the gap between oil and water-based components in skincare products.

As an emulsifier, Polyglyceryl-4 Isostearate helps create stable, homogeneous mixtures of otherwise incompatible ingredients, ensuring consistent product texture and performance. Its molecular structure allows it to form a protective barrier on the skin's surface, reducing transepidermal water loss and enhancing moisturization.

In skincare formulations, Polyglyceryl-4 Isostearate is particularly valuable for its ability to improve product spreadability and leave a smooth, non-greasy feel on the skin. It is often used in foundations, BB creams, and other color cosmetics to enhance their water-resistant properties and longevity.

This ingredient is generally well-tolerated by most skin types and is considered safe for use in cosmetics. Its effectiveness in creating emulsions with a lightweight texture makes it a popular choice for formulating products designed for oily or combination skin types.