
Based on the provided context, which points toward the use of specialized enzymatic cleaners, and general professional cleaning knowledge, here is a comprehensive guide to cleaning cat urine from a leather sofa.
The first step is to act as quickly as possible to prevent the urine from deeply penetrating the leather. Immediately blot the affected area with a clean, dry cloth or paper towels to absorb as much liquid as you can. Avoid rubbing the spot, as this can spread the urine and push it further into the material.
Next, you will need to clean and neutralize the area. A common initial solution is a mixture of equal parts white vinegar and water. Lightly dampen a clean cloth with this solution and gently wipe the soiled area. The vinegar helps to neutralize the ammonia in the urine. It is absolutely crucial to first test any cleaning solution, including this one, on a small, inconspicuous part of the sofa to ensure it does not cause discoloration or damage to the leather finish.
To completely eliminate the odor, you must address the uric acid, which is the source of the lingering smell. This is where an enzymatic cleaner, as suggested by the provided search context, is essential. Purchase an enzymatic cleaning product specifically formulated to be safe for use on leather. Apply the cleaner according to the manufacturer's instructions, as application methods can vary. These enzymes work by breaking down the uric acid crystals, effectively destroying the source of the odor rather than just masking it.
Once the area is thoroughly clean and has been allowed to air dry completely, the final step is to condition the leather. Cleaning agents can strip the natural oils from the leather, causing it to become dry and potentially crack over time. Apply a high-quality leather conditioner to the treated spot to restore moisture and maintain the suppleness of the sofa.


