Introducing the world's first Colorful Gradient Permanent Makeup Cartridge, a groundbreaking innovation in the industry. This isn't just any ordinary cartridge – it's a game-changer that will revolutionize your approach to permanent makeup. Our unique cartridge features state-of-the-art multi-color injection technology, elevating your work with enchanting gradient visual effects that transform each MAST cartridge into a genuine masterpiece. And with our cutting-edge cartridge taper design, you'll enjoy unparalleled precision, thanks to its slim, elongated, and ultra-sleek construction