All flower essences work on the mental level to cure the physical ailments.
It is not recommended that Reiki, Homoeopathy, Bach flowers, Tissue Salts or other flower essences replace qualified medical attention or prescription medications. There are many different types of flower essences but most are made the same way and all work on the same principle. He is probably the most well known, along with his product. See Ian's site Australian Bush flower Essences. Western Australian Flower Essences - some do overlap the Australian Bush Essence and Bach Flowers.