Name Methylheptylglycerin Description Methylheptylglycerin is a naturally-derived compound commonly used as a skin conditioning agent and preservative booster in cosmetic products. It is derived from glycerin, castor oil, and palm oil, and is valued for its ability to enhance the effectiveness of preservatives, thereby reducing the amount of preservatives needed in a formulation. Benefits Skin conditioning and preservative properties. Considerations Limited data is available, however based on the class of chemicals it belongs to and chemical structure, it is likely safe. Research Sources No peer-reviewed articles exist on this compound. Summary Limited data, likely safe.