Leather, a natural material, needs to retain some moisture to maintain softness and flexibility. Vinegar can be a strong cleaning agent, but it can also dry out leather items.
Can I use vinegar and water to clean leather car seats?
Fill a spray bottle with 3 parts vinegar to 1 part warm water. Spray on seats and rub in with a clean cloth. Rinse with plain warm water and let dry. Vinegar can also be mixed with olive oil as a leave-in cleaner.
Is vinegar good for cleaning leather?
How to clean leather with vinegar: This may sound surprising, but vinegar can work wonders on leather. If the stain is older, tougher, and the leather is more durable, grab a cleaning cloth and dampen it thoroughly with white vinegar, then gently rub the stained area.