How Zia Sherman Engineers Zibra Paintbrushes for Longer Runs | Behind the Brushes Part 1

Before Zia Sherman engineered Zibra paintbrushes, she formulated lipstick and foundation at Estée Lauder. In the first installment of Behind the Brushes, Zia sits down with her sister, Brie, and their dad, Zibra founder Mike Sherman, to explain what actually makes a brush hold more paint, release it smoothly, and maintain a crisp line. They get specific about filament shape and diameter, why Zibra has used the same proprietary formula and manufacturing process since 2005, and how Zia tests pa...