Organic Grapefruit Seed Extract in 40% USP Glycerin - Citrus Grandis.   Grapefruit Seed Extract exhibits broad Spectrum, antibacterial and antifungal properties when used as a preservative in personal care products.  During the extraction process, the seeds and pulp are used, which contain natural ascorbic acid (Vitamin C).   Use GSE at .2 to 1% to preserve most fomulations.  Use 2% to create anti-bacterial creams, soaps and salves.