Take 4 ounces of leaf marijuana and place in a large stock pot. Cover well with water and add 1.25 cups of olive oil. Bring to a boil and simmer at a low boil for 5-6 hours, adding water as needed.
Allow to cool and strain through cheese cloth, saving the liquid. Place the liquid into the refrigerator over night.
Peel the olive oil layer off the top and place into a small pot and heat over low to melt. Add some beeswax (1-2 ounces should work but experiment to get the consistency you like) and cool into a salve.