Demeter Earthworm Cologne Spray (Unisex) By DemeterDemeter Earthworm Perfume by Demeter, While the name may make one take a step back, the aroma of demeter earthworm by demeter is much deeper and enchanting than its namesake. This unique perfume instead is a figurative composition that captures the deep darkness of the rich soil below the ground. Earthy and aromatic, it conjures up exploring the woods while the dew is still moist with hints of decomposing leaves making the soil fertile while fresh