The Paper pigments are materials incorporated into paper to improve its optical and physical properties. They enhance brightness, opacity, smoothness, and printability, contributing to both aesthetic and functional performance. Common pigments used in the paper industry include titanium dioxide for superior brightness, kaolin clay for smoothness, and calcium carbonate for improved opacity and bulk. Organic pigments are also used for color customization. Paper pigments play a significant role in high-quality printing, ensuring sharp, vibrant images and preventing ink smudging. They are used across a variety of applications, including office paper, packaging, cardboard, specialty papers, and decorative papers. In addition to visual improvements, pigments help maintain the structural integrity of paper products and can be formulated to meet environmental standards for non-toxicity and sustainability. As the demand for high-quality and environmentally friendly paper grows, the role of pigments in the paper industry continues to expand, making them a vital component in modern paper manufacturing.