Demeter Brownie Perfume by Demeter 30 ml Cologne Spray for Women. Demeter brownie perfume by demeter, a deeply rich and chocolatey pan of brownies is what you think of when you smell brownie by demeter. Using headspace technology, the scent for this fragrance was developed by analyzing the air around freshly baked brownies and identifying the fragrant molecules. These molecules are then reproduced to compose the fragrance. Without the top, middle, and base notes that a conventional perfume would have, this scent is composed linearly and stays the same for the whole time it is worn. The demeter fragrance perfume house is a thematic perfume company located in pennsylvania.founders christopher brosius and christopher gable create fragrances that evoke memories of the item that is being reproduced through scent. Replicating everything from soil, flowers, and drinks, the demeter brand has created over 200 fragrances with natural components and new technology. The name of the brand was inspired by the greek goddess demeter who is the protector of the harv