Remove the cushions from the sofa and vacuum away loose dirt, dust and debris with the brush attachment.
Add 1 tbsp. of a mild, lanolin-based natural soap to a quart of warm water. Purchase this soap wherever natural products are sold or in the natural/organic section of some grocery stores.
Dip a soft, lint-free cloth or sponge into the solution and wring it out well.
Wipe down the sofa with the cloth or sponge. Be sure to wipe down the cushions as well.
“Rinse” the sofa by wiping it down with a cloth dipped in clean water and wrung it out well.
Wipe away excess moisture with a dry, soft, lint-free towel.
Place a fan nearby to help circulate air over the sofa, helping it dry quickly.
Apply petroleum jelly to a soft, lint-free cloth and gently work it into the leather to condition it. Wipe over it a second time with a dry towel to remove any excess.