The global ricinoleic acid market stood at USD 568 million in 2025 and is projected to grow at a CAGR of 5.8% from 2026 to 2034, reaching approximately USD 947 million by 2034, according to Growth Market Reports. Ricinoleic acid is a hydroxylated fatty acid derived from castor oil, used in lubricants, polymers, cosmetics, pharmaceuticals and surfactants.

Ricinoleic acid serves as a feedstock for lubricants, greases and metalworking fluids, as a monomer and intermediate for castor-based polymers and polyurethane chemistry, and in cosmetics, pharmaceuticals and bio-based surfactants. Demand is tied to the expansion of bio-based lubricants and polymers, the growth of castor-oil derivative chemistry, and the rising use of hydroxylated fatty acids in high-performance formulations. Asia-Pacific is the fastest-growing region, supported by extensive castor-oil and chemical industries in India and China.

Europe and North America sustain steady demand in premium bio-lubricant, cosmetic and polymer applications. Continued bio-based growth positions ricinoleic acid as a steadily advancing castor-derived fatty-acid feedstock.