Ricinelaidic acid, a trans isomer of ricinoleic acid obtained through hydrogenation of castor oil-derived ricinoleic acid, is primarily used in the formulation of lubricants and greases due to its excellent stability and resistance to oxidation. It is also utilized in the production of coatings and paints, where it enhances durability and provides a protective layer. In the cosmetics industry, it serves as an emollient, helping to soften and smooth the skin. Additionally, it finds application in the manufacturing of plasticizers, which improve the flexibility and workability of plastics. Its unique properties make it valuable in various industrial and consumer products.