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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, developing new ways to transform your beauty routine.  An elegant expression of all of their passions, the Greek letter Σ ("Sigma") denotes a mathematical sum. Quality + Function + Innovation.