The U.S. chitosan market reached USD 6.4 Billion in 2024. IMARC Group projects it will grow to USD 31.1 Billion by 2033, at a CAGR of 18.19% from 2025 to 2033, driven by rising demand in pharmaceuticals, water treatment, cosmetics, and agriculture due to its biodegradable and biocompatible properties. https://www.imarcgroup.com/united-states-chitosan-market