Spinning bath additives are used during the fiber formation stage in wet spinning and similar processes, where polymers are extruded into a chemical bath that solidifies the fiber. These additives serve to stabilize polymer solutions, regulate coagulation rates, and enhance the physical properties of the resulting fibers. However, many conventional spinning bath formulations involve solvents, surfactants, and salts that present challenges in terms of wastewater treatment, worker safety, and environmental persistence. Sustainable innovation in spinning bath chemistry focuses on replacing traditional additives with low-toxicity, biodegradable compounds and designing systems that can be reclaimed and reused. This is particularly vital in industries producing regenerated cellulose fibers like viscose, modal, or lyocell, where chemical management and effluent reduction are key environmental concerns. The integration of green solvents, non-toxic dispersants, and optimized bath recycling technologies is enabling manufacturers to meet regulatory demands while maintaining fiber quality and process efficiency. Certifications like EU BAT for viscose production and initiatives such as the ZDHC MMCF Guidelines are driving improvements in transparency and process controls across the sector. Companies are increasingly expected to partner with suppliers who can demonstrate safe chemical inputs, robust recovery systems, and full compliance with chemical restriction lists. B2B networks and directories enhance this effort by connecting fiber producers with additive suppliers that align with closed-loop and green chemistry goals. These platforms provide access to technical data, facilitate compliance verification, and support collaboration in advancing sustainable spinning technologies.