Bon Parfumeur: Home Fragrance Diffuser 200ml N#04: smoked black tea, mugwort, birch04 Home Fragrance Diffuser : smoked black tea, mugwort, birch A spellbinding fragrance! First you are struck by the subtle, very smoky scent of Lapsang Souchong black tea. Before the aromatic and botanical facet of mugwort lends a surprising, unexpected freshness. Last but not least, notes of birch wood add depth and distinctive warm, sweet and leathery undertones. PS: Birch wood is difficult to use as it is so potent. One drop too many is enough to