Heather Dziedzic was sick of opening tubes of lipstick and mascara only to find molten messes. Like many Valley women, she invested in expensive cosmetics and carried them with her to client meetings or driving around during hot Arizona summers. “I was just tired of it getting ruined and melted,” she says. The Scottsdale entrepreneur spent three years researching and developing a “beautiful and elegant” cosmetics bag that comes with a proprietary, built-in ice pack....