Regenerating Cleansing Soap Cleans dirty leathers. Especially designed for armchairs, desks, car interiors, luggage, etc. Removes layers of waxes and gives the leather its natural look. Non-alkaline formula so not aggressive for leather. Count 25 to 30 ml per seat. Lightly soak a clean damp sponge with Avel soap. Rub the leather concentrating on the dirty or stained areas. Rinse the sponge and repeat the operation until the material is perfectly clean. Let it dry for a few minutes. You should then apply a renovating balm to protect the leather against drying, cause shriveling and cracking seams.