This document defines and describes snehana, which is a process of oleation or lubrication used in Ayurvedic panchakarma procedures. It discusses the vedic references for snehana substances like ghee. Snehana is defined as lubrication, enhancing diffusion, and softening. Substances that can induce snehana include ghee, oils, bone marrow, and others. Ghee is especially suitable due to its cooling, lubricating, and non-inflammatory properties. Snehana qualifications are classified based on origin, administration method, combinations, and intended purpose/action. The document provides details on procedures, dosages, and effects of internal and external snehana therapies.