Mast Tattoo Ink is a pre-dispersed, premium ink created to provide artists with bolder, long-lasting colors. This ink goes easily into the skin, stands out boldly and maintains its darkness even after healing. Realistic Black (fantasy black). Used for:? portrait, realistic, black and gray. Mast realistic black ink, Using fine-particle water-based pigments, it is easier to color, has strong fluidity, is easy to dilute, can create a transparent and rich layering.