Remove spots on leather upholstery with liquid leather cleaner. Rub the cleaner into the spot and let it dry. Buff with a soft cloth.
To remove grease stains from leather upholstery, test the dry-cleaning fluid in an inconspicuous spot before using. If color-safe, rub the commercial dry-cleaning fluid on the leather until the spot is removed.
Wipe petroleum jelly on mildew stains on leather upholstery.
Wipe off the petroleum jelly to clean.
Reapply petroleum jelly to the leather upholstery and leave on for 24 hours. Buff with a soft cloth.
Clean the entire piece of leather furniture with a damp sponge and saddle soap. Rinse and squeeze the sponge and wipe the leather dry. Buff with a soft cloth.