Advent International has taken a majority stake in niche fragrance brands Parfums de Marly and Initio Parfums Privés.   While financial details of the deal were not disclosed, it is estimated to be valued at more than $700 million per industry sources.   The deal is primed to buttress the significant growth trajectories of each brand who together registered retail sales of $366 million in 2022.   Investors have displayed interest in the niche perfume category as it contin...