The Castor Oil Market was valued at USD 1.3 billion in 2025 and is projected to reach USD 2.1 billion by 2035, growing at a CAGR of 4.3%. Rising demand for bio-based chemicals, cosmetics, pharmaceuticals, lubricants, and sustainable industrial feedstocks is supporting market expansion. Asia Pacific led the market with a 59.7% share, while cosmetics and personal care remained the largest application segment.