M.O.T.D. Cosmetics Blending Bestie Brush in Black. M.O.T.D. Cosmetics Blending Bestie Brush in Black. Blend out eyeshadow lines and create flawless eye looks with the M.O.T.D Blending Bestie Brush. This high-performance, certified vegan makeup brush is designed to do all the blending work for you.. Taklon fiber bristles evenly distribute product for an airbrushed finish. Anti-bacterial and hypoallergenic. Vegan and cruelty-free. MOTD-WU10. MOTD-BB. In 2014, M.O.T.D Cosmetics broke the trend with how brushes are labeled. There's no mystery for novice makeup enthusiasts guessing which brush does what anymore. These brushes support a beginner's journey on becoming a makeup artist, they inspire you to step outside your comfort zone, they lead you to become better, and empower you to be you.