Cocos nucifera, (L.) Arecaceae is a commercially important tree called as coconut tree. It has long been used in Ayurvedhic system of medicine. Coconut water, coconut milk and oil extracted from coconut are commonly used in various traditional healing practices. But the less common used is the coconut shell oil that is extracted from the woody endocarp of the drupe or commonly called as coconut shell. The coconut shell oil is subjected to preliminary phytochemical screening with ethanol, chloroform, acetone, petroleum ether and aqueous extracts. This investigation shows the presence of alkaloids, carbohydrates, phenols, tannins, flavanoids, aminoacids, quinones, terpenoids, proteins, oxalate and carboxylic acid. The review reveals that various phytochemical constituents have been isolated from the Coconut shell oil which is used in treatment of wounds and skin diseases.