You shall never use water to clean real leather

The leather fibers on the surface of leather products can absorb water every easily.
When water gets into the leather, it will wash the tannins and oils out of the leather, which makes the leather to become dry and stiff, accelerating the aging of the leather, and finally causes the leather to fall off.

For God's sake, Jessica, don't use water to clean the Barcelona Cushions any more.