1. B- and C-list male stars sell scent better than A-list male stars;
or 2. A-list male stars do not see it as a good idea to sell scent;
or 3. A-list men are crazy expensive, and brands do not think men’s fragrance is a big enough sector to merit the investment, so they have slid down the pay scale.
— The New York Times tries to figure out the relative star wattage required to sell men's vs women's fragrances. Read more at The Strange, Revealing Case of Gerard Butler, Fragrance Model. Hat tip to Kevin!