🎯 At a Glance
🔬 How It Actually Works
A plant-derived ester of glycerin and undecylenic acid (derived from castor oil). It is highly effective at stopping the growth of yeast and fungi in natural cosmetic formulas.
💖 Why your skin loves it
Provides robust, paraben-free preservation and leaves a soft skin feel.
💡 Pro Tip
Almost always combined with Glyceryl Caprylate.
⚖️ Myth vs. Fact
The Myth
It smells strongly of castor oil.
The Science
The esterification process removes the odor, leaving a clean, neutral scent.