Leather dyeing is the process of applying color to leather to enhance its appearance or to change its original color. This is typically done using various types of dyes, which can be water-based, alcohol-based, or oil-based. The dye penetrates the leather fibers, allowing for a more vibrant and long-lasting color. Before dyeing, the leather must be properly prepared by cleaning and conditioning it. This ensures that the dye adheres well and produces an even finish. After dyeing, a protective sealant may be applied to help maintain the color and protect the leather from wear and tear.