Shop the looks and products you can’t ❤️ enough. “Sigma was beloved by the pros before it became a must-have beauty brand of 2017. “The coolest part of this set is the two-year warranty! “Sigma’s F80 brush is a must-have for anyone who uses liquid foundations. “It’s the brand that set the gold standard for makeup brushes. “Sigma brushes are a beauty blogger favorite for a reason.