What It Is A unique dual-sided dome shape makes this all-purpose brush perfect for applying base shades across the entire lid when used on one side and foolproof for crease application when flipped to the alternate side. Cruelty-free, synthetic vegan brushes. How To Use Apply base and highlight shades using the flat side the brush. Perfectly blend crease shades and soften deeper shades using the tapered side of the brush. Pairs Well With - Next Generation Eye Base Primer - Le Chrome Luxe Eye Duos - Luminescent Eye Shades - Mermaid Eye Color