Feeling unhappy/glum and don't know why? Capture the positive potential of Mustard. One of 38 essences from Dr Bach's system of Bach Original Flower Remedies. Comes in a handy, portable dropper bottle. Take an individual essence based on your needs, or create a combination of up to seven essences using our mixing bottle. Feeling unhappy/glum and don't know why? Capture the positive potential of Mustard. One of 38 essences from Dr Bach's system of Bach Original Flower Remedies. Comes in a handy, portable dropper bottle. Take an individual essence based on your needs, or create a combination of up to seven essences using our mixing bottle.