Not%20a%20Perfume%20is%20not%20really%20a%20perfume%20but%20fragrant%20AMBROX%20in%20a%20flacon.%20C16%20H28%20O%20is%20formula%20of%20Ambroxan%2C%20the%20only%20key%20ingredient%20in%20this%20non-perfume.%20Ambrox%20was%20born%20in%20the%201950's%20in%20Firmenich%20as%20substitute%20for%20grey%20amber%20which%20was%20very%20expensive%20for%20a%20common%20use%20in%20compositions.%20Ambrox%20is%20typically%20used%20as%20one%20of%20base%20notes%20of%20compositions%2C%20while%20it%20has%20a%20leading%20role%20in%20this%20non-perfume.%20Not%20a%20Perfume%20is%20a%20provocative%20declaration%20which%20does%20not%20follow%20the%20rules%20of%20modern%20perfumery.%20Not%20a%20Perfume%20is%20based%20on%20contradictions%2C%20since%20its%20composition%20is%20created%20of%20molecules%20and%20is%20the%20only%20fragrance%20without%20allergens.