Hemp oil or hempseed oil is obtained by cold pressing the hemp seeds.  Hempseed oil is an oil extracted from the hemp plant. All plants in the Cannabis genus can produce the oil, but usually only industrial hemp is used to make hemp oil. Industrial hemp is a hemp varietal which has been cultivated specifically for industrial production . Since hemp oil is natural, it is used as a moisturizing oil which can be applied after a shower or a bath. Almost all the forms of plastics can be made by using hemp oil instead of using petroleum as a base. its use as biodiesel in the same manner like other vegetable oils. It is a safe replacement for petroleum