Pigment-based inks are a type of ink that uses tiny solid particles, or pigments, suspended in a liquid. These pigments provide vibrant colors and are known for their excellent lightfastness, meaning they resist fading when exposed to sunlight. This makes them a popular choice for professional printing and artwork. Unlike dye-based inks, which dissolve in liquid, pigment-based inks remain stable over time. They are often used in inkjet printers and are favored for printing on various surfaces, including canvas and photo paper. Their durability makes them suitable for archival purposes, ensuring that prints last for many years without significant color loss.