Blot fresh ink gently with a dry, clean cloth
Test any cleaner on a hidden spot first
Use a cotton swab with a small amount of rubbing alcohol
Dab the pen mark lightly; do not rub
Wipe the area with a slightly damp cloth
Dry the leather immediately with a soft towel
Apply a leather conditioner after cleaning
Repeat only if needed, using minimal liquid
Avoid acetone, bleach, and harsh cleaners
Avoid soaking the leather