Borax is sold with laundry detergents, but chemically pure borax, which is required for cosmetics, is sold by drug stores and chemical laboratories. Lanolin is sold by drug stores. In a microwave or double boiler, melt the oil, lanolin and beeswax to 160 degrees F. Heat the borax and water in a separate container to 160 degrees F. Be sure the borax is dissolved and the wax is melted. Add the water mixture to the oil mixture while stirring briskly. When white cream forms, stir slowly until the mixture cools to 100 degrees F. Pour it into small wide mouth jars.
Melt the ingredients in a microwave or double boiler. Brush the hot mixture onto the leather and allow it to penetrate. If possible, place the item in hot sun to help the mixture penetrate the leather. Polish the leather with a cloth to remove excess.