Hours Of Operations Mary Kay Cosmetics Pennsylvania Downingtown 19335 Mary Kay Cosmetics Hours of Operation and Location in Downingtown, PA 19335 4.4 - 96 votes 106 Heather Hill Dr, Downingtown, PA 19335 (610) 458-0329 Get Directions Mary Kay Cosmetics Hours Category: Beauty & Health Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore DowningtownView More Apparel Stein MartCarter'sCatherinesAmerica's Best Contacts & EyeglassesRainbow Sports LA FitnessVansOrvis CompanyUnited SportsG & S Sporting Goods Jewelry Helzberg Diamonds Recommend For You Fancy Nails Lv Nails & Spa Mj Nails Salon Health Street Comcast Service Center Pc Direct Ez Living Store Vortex America Generations Next Skip's Pro Shop