Bio-Botanica, Inc. Echinacea In Propylene Glycol is a product under the plant family Asteraceae, with the Latin name Echinacea angustifolia. It contains alkylamides and caffeic acid derivatives, along with polysaccharides and glycoproteins. Similar to the previous Echinacea product, it is used in the food/beverage/dietary supplement functional category of immune support and has applications in the cosmetic/personal care functional category for skin care.