Demeter Firefly Perfume by Demeter 120 ml Cologne Spray for Women. Demeter firefly perfume by demeter, for any kid who grows up east of the rockies, one of the most treasured signs of spring is the first firefly of the season. In the north, fireflies are a sure sign of winter having broken its grip - and summer vacation is right around the corner! demeter firefly is a brilliant scent, capturing the smells and excitement of those spring evenings on the cusp of summer. The light floral scent of daytime flowers just closing and night ones opening; grass fresh-cut just that afternoon and a cool, green yard, like a natural, growing carpet, to roll in. Damp earth and a touch of dew bring you right back to your childhood; who says you can’t ever go home again? all products are original, authentic name brands. We do not sell knockoffs or imitations.