FES Quintessentials are the oldest and most thoroughly researched flower essences to be developed since Dr. Bach's work in the 1930's. Through a careful orchestration of the four elements of Earth, Water, Air, and Fire, FES essences combine the fifth quintessential element of the sensitive attunement and awareness of the preparer to produce remedies which serve to nourish the human soul. The FES line of North American flower essences is highly esteemed by professionals and home health practitioners around the world.