Roman Chamomile Essential Oil Roman chamomile grows close to the ground, reaching only up to a foot in height. It has gray-green leaves and apple-scented flowers that resemble daisies. Nicknamed the ?plant?s physician? for its positive effects on nearby flora, Roman chamomile oil is a common ingredient in teas, face creams, hair dyes, shampoos, and perfumes. Ancient Romans used it to promote courage during war. Roman Chamomile essential oil is known for its calming effects on the body when ingested.*