Bio-Botanica, Inc. Horsetail Herb In Propylene Glycol is a product from the Equisetaceae plant family, with the Latin name Equisetum arvense. They contain alkaloids, flavonoids, phenol, phytosterols, saponins, sterols, silicic acid, tannin, triterpenoids, and volatile oils. This product serve functional categories in food, beverages, and dietary supplements, focusing on cardiovascular and bone & joint support. They are also used in the cosmetic and personal care industry for applications related to skin, hair, and nails.