Beauty Basics: MAC Face Brushes Beauty Basics is a series covering basic products and tools that help to make applying your makeup easier. To view the entire series to date, be sure to visit the beauty basics , or you can view posts within the series about MAC Face Brushes . Focus On: MAC 191 Square Foundation Brush MAC 191 Square Foundation Brush ($32.00) is a flat, square-shaped brush made out of synthetic fibres. It’s fairly firm, and the edge of the brush is fine and firm. A
