Fiber smooth finishing auxiliary is a high-quality textile chemical designed to impart superior smoothness, softness, and drape to fabrics. By forming a uniform, protective film on fiber surfaces, it reduces friction, minimizes pilling, and improves fabric luster while maintaining breathability and strength.Suitable for cotton, polyester, blends, and synthetic fabrics, this finishing auxiliary is ideal for apparel, home textiles, and high-end fabrics that require a silky, luxurious hand feel. It offers excellent wash durability, low yellowing tendency, and stable performance across diverse finishing processes. With its ability to deliver lasting smoothness and comfort, fiber smooth finishing auxiliary helps elevate fabric quality and market value.