Aromatherapy and Weight Control: The use of essential oils in aromatherapy can be effective in supporting the weight loss process. Every diet and weight loss book, website and guru tries to offer something new to the debate about how to lose weight. The weight-loss industry is a fast-growing, multi-billion dollar industry and shows no sign of slowing down. For decades there has been an assortment of outlandish and unhealthy fad diets circulating - the Cabbage Soup Diet, the Grapefruit Diet, the Brussels Sprouts Diet, even the Tape Worm Diet - but the fact remains that the most sensible way to lose weight is to watch what you eat and get regular exercise.