Sigma Beauty is an American cosmetics company headquartered in Mendota Heights, Minnesota. It is founded by Brazilian-American couple Simone Xavier and Rene Xavier Filho in 2009. It primarily focuses on the manufacturing of cruelty-free makeup brushes, and brush care accessories.

Sigma Beauty: http://qqd.cuckootool.com/4xj4445_4zmhonfiypilqubtf/