The global chitosan market was valued at USD 4.2 Billion in 2025 and is projected to reach USD 19.0 Billion by the end of 2036, expanding at a CAGR of 14.7% from 2026 to 2036. The market growth is driven by increasing demand for sustainable and biodegradable materials, expanding applications in water and wastewater treatment, and rising adoption of chitosan in pharmaceuticals, agriculture, food...