One Cosmetic Brush for Primer, Foundation, and Sculpting. The sculpting side of the makeup brush features a tapered, curved design for simple and controlled contouring and is made of the highest-quality synthetic fibers sized perfectly for cheekbones. The serum side of the makeup brush features a synthetic angled brush that buffs and blends skin to air-brushed perfection, minimizing waste to help products last with no harsh lines. Cruelty-free. Vegan. Each of Mirabella's hand-sculpted, luxurious cosmetic brushes is made of the finest materials and designed specifically to provide an effortless, completely flawless application. Each makeup brush features an exclusive weighted, brushed aluminum ferrule and handle for maximum precision during the makeup application process. This professional makeup brush works incredibly with Mirabella's Awaken Primer and Prime for Face, Invincible Anti Aging HD Foundation, Defense CC Créme, Skin Tint Créme, and Sculpt Duos!