The Flat Definer Brush features a thin, flat edge best for applying powder, cream or gel products to the eye area. The flat brush creates a sharp, precise line great for brushing along the lower lash line with eye shadow as a liner.
It all began in 2009 with power-couple Dr. Simone Xavier and Rene Xavier Filho, a molecular bacteriologist and civil engineer, respectively. They launched Sigma with just one brush set that instantly captured a cult-following and sold out.
Since then, an impassioned, over 90% female team has joined together and they haven’t stopped developing new ways to transform your beauty routine. They are listeners and problem solvers working to empower all beauty users’ lives.