An expertly designed dual-ended shadow brush for effortless application and blending. The “BASE” end acts like the shape of your finger to apply your eyeshadow base or an allover quick shadow look. Flip the brush, to use The “BLEND” end -an ultra-flexible, tapered fluffy brush that seamlessly buffs shadow into the crease and softens the edges.
Kevyn Aucoin Duet Shadow Brush
Dermstore