Our drive to better your beauty routine sets the foundation for every Sigma Beauty creation. Weâ€™re looking to you and your everyday for inspiration, then infusing the highest-quality materials, ingredients and technology to build solutions youâ€™ll revel in. Every innovative beauty tool, texture, formula and cosmetic color makes your life easier, more fun and uniquely-beautiful. 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.