Critical review of Sneha Kalpana

Sneha Kalpana is a unique contribution of Ayurvedic science. It is a group of products containing mainly medicated Taila and Ghrita; along with Vasa and Majja, which can be used internally as well as externally. It is one of the widely used dosage forms in Ayurvedic drug industry and is said to achieve solubility of both fat soluble and water soluble extractives. It is absorbed easily, and is said to cross blood-brain-barrier. Acharyas have opined to carry out Sneha Murchhana to remove ‘Gandha’ and ‘Ama’ Doshas from the Sneha. Acharya Sharangdhara mentioned the shelf life (Saviryatavadhi) of various dosage forms. Amendments in Drugs and Cosmetics’ Act 1940 and Rules 1945, have redefined the shelf life, which is elaborated in this article