Tonka bean, musk and vanilla surround a heart of iris, adding warmth and sophistication.

WSJ: Purple Reign: Iris Fragrances

The infused flavours, such as fresh mint, tonka bean and coffee, punch through the chocolate with a burst of flavour.

BBC: Paris�� world of chocolate

Turin identifies the "official birthday of fragrance chemistry" as the discovery of the synthetic simulation of coumarin, an essential component of the tonka bean, prized for its sweet, nutty and smoky fragrance, in 1868.

FORBES: Perfumes Are Back To The Future