Polyglyceryl-4 Laurate CAS# 75798-42-4
Polyglyceryl-4 Laurate (CAS# 75798-42-4) is a gentle, PEG-free surfactant and emulsifier made from plant-based glycerin and lauric acid. It's a go-to ingredient in personal care products, where it works as an emulsifier, moisturizer, and cleanser to boost performance and improve how the product feels on the skin.

Chemical and Physical Properties
| Appearance | White to light yellow oily, viscous liquid |
| Composition | Ester of average 4 moles of glycerol and lauric acid |
| Acid Value | ≤ 12 mgKOH/g |
| Iodine Value | ≤ 5 |
| Saponification Value | ≤ 180 mgKOH/g [1, 2, 3] |
Uses and Applications
Cosmetics – This ingredient works great as an O/W emulsifier in personal care products like creams, lotions, and face washes.
Green Formulations – It's widely used in clean beauty products because it's biodegradable, non-toxic, and gentle on the skin—perfect for sustainable cosmetics.
Solubilization – It helps dissolve and evenly disperse small amounts of oils, fragrances, and other oil-soluble ingredients into water-based products.



