What it is: A dual-ended eyeshadow brush with both narrow and dense bristles ideal for applying, shading, and blending all shadow formulas. Brush Formulation: All Formulas Brush Coverage: Buildable Bristle Type: Synthetic Ingredient Callouts: It is cruelty-free.What Else You Need to Know: The small side of this brush features narrow bristles with a pointed shape to define and smoke out liners and shadows. The large side of the brush features short, dense bristles with a rounded shape for detailed placement and all-over shading.