Dust your leather sofa with a dry, soft cotton cloth every few days to get rid of dust and crumbs. Never use an abrasive cloth or brush on leather.
Deep clean your leather sofa every few weeks to get rid of dirt and grime. Rub a little soap into the leather with a damp, soft rag. Do not use a soaking wet rag, as this will leave a water mark. Wipe the leather dry with a clean cloth.
Apply a deep conditioning formula specially formulated for finished leather. Follow the manufacturer's directions.
Spray an ink stain with hairspray and wipe it clean.
Blot a grease mark gently with a clean cloth. Sprinkle talcum powder on top of the mark and leave it for a few hours before wiping it off.
Wipe blood stains with a damp, soft rag and leave the leather to dry naturally. The same method can be used for stains from pet urine.