Last week, two Italian entrepreneurs came up with “Blood Concept,” a new perfume based on human blood types! Perfect for seducing the vampire in your life. Antonio Zuddas and Giovanni Castelli say the fragrance doesn’t contain actual blood, but it is evocative of the blood type it represents. For instance, Fragrance O has a leathery base smell that’s meant to harken back to the beginnings of humankind, when we were all "lonely hunters" and had blood type O. The four scents - A, B, AB and O - all come in 1.35-ounce vials with red droppers.

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