Time-tested and trendy; Salves: Rosebud Perfume Co., an old-fashioned family business in Frederick County, counts fashion and film stars among customers for its century-old secret recipes.

Scent always has been important to Krista Lacey. The 42-year-old owner of Austin-based Roux Saint James perfumery began playing with scent out of necessity. She’s allergic to a lot of the ...