Excuse me, leather sofa has ball point mark above, how does the mark clean?
Gently rub with toothpaste and a small amount of soap, such as scars, with alcohol wipe out. Boil the milk, with a cotton ball dipped in Hot Milk rubbed on the grease, grease until disappear.
Find a light cotton cloth with some hand cream, clockwise for 2 minutes, counterclockwise for 2 minutes or more
The easiest way is to use an eraser, and then the car wax is most effective to the car shop to buy a bottle of leather cleaner BILIZHU, on the leather sofa at smear sprays, and then use the cloth to gently wipe with a few OK. Use not only can remove dirt on the leather sofa, also has a good protective effect on leather! Leather sofa usually used use spray like new to buy the same. You try!