After years of using your king ranch seats, they can get hard. To soften the leather, you need to apply the gentle King Ranch cleaner on the surface softly. You can also dilute the cleaner a little with water if needed. This way, the cleaner will not only remove all the specks of dirt but will also gradually soften the leather. After years of using your king ranch seats, they can get hard. To soften the leather, you need to apply the gentle King Ranch cleaner on the surface softly. You can also dilute the cleaner a little with water if needed. This way, the cleaner will not only remove all the specks of dirt but will also gradually soften the leather.