Here's how you can properly clean a genuine leather bag, follow these steps:

1. Make a mild cleansing solution: Mix a small amount of mild soap or detergent for delicate skin with warm water. Make sure the soap does not contain abrasives or harsh chemicals.
2. Remove Dust and Dirt: Use a soft cloth or clean sponge to gently wipe off surface dust and dirt from the bag. Be sure to wipe or sponge gently so as not to scratch the leather.
3. Clean the bag: Dip the soft cloth in the cleaning solution and wring it out lightly so it's not too wet. Gently clean the surface of the leather bag in circular motions, paying particular attention to the dirtiest spots or areas. Avoid scrubbing too vigorously to avoid damaging the skin.
4. Remove the cleaner: Rinse the clean cloth or sponge with clean water and wring it out to remove the residual cleaner. Then, pass the damp cloth over the bag to remove any traces of soap.
5. Dry the bag: Use a dry, soft cloth to gently pat the leather bag to remove excess moisture. Make sure you don't rub the leather while drying, as this can lead to scratches.
6. Apply a leather moisturizer: After the leather of the bag has dried completely, you can apply a specific moisturizer for leather to keep it soft and supple. Follow the instructions on the product packaging for proper application.
7. Protect Your Bag: To prevent future damage to your leather bag, consider using a leather protector, such as a leather conditioner or protector, which will help repel moisture and dirt.