GINGERGRASS Greenleaf Essential Oil The essence of Gingergrass can be both soothing and uplifting at one time. Gingergrass comes from the same family as lemongrass and boasts similar green, citrusy, woody scent profiles. Each Greenleaf essential oil bottle holds 0.5 fl oz of 100% pure, natural, and undiluted essentials oils, and proceeds from this item are donated to organizations working to break the cycle of human trafficking.