Flower essences work by moderating the psychological factors involved in many of the conditions that are common in modern life. Jan De Vries put together a range of flower remedies that promote calm and facilitate emotional well being in an ever changing, fast moving world. Jan de Vries Flower Essences are a combination of a number of flower remedies, giving a wide spectrum of activity.They work rapidly but gently on the emotions and can be taken alongside other medication.