Each of the fragrances has different accords (O is a leather scent, AB is a mineral scent, B is a spicy wood, and A is an herbaceous vegetable scent), but they all have the same "bloody" metallic base. There are already a couple of fragrances with blood notes (most famously Etat Libre D'Orange Secretions Magnifiques), but this is the first I've heard of blood-type-based scents. Would you be interested in giving the perfume meant for your type a sniff?
Apr 1 2011 In news that's too good to be True Blood, it seems Vampire Bill and company will now be able to enjoy fragrances that recall their favorite blood types. Italian brand Blood Concept is coming out with four fragrances designed to align with the four most common blood types. According to the brand's website, "A, B, AB, and O retrace the evolution of manhood through time and its record of information, history and mutation, so well kept in the vital flushing of blood." To find out more about these scents and see the concept for your blood type, just keep reading.