The leather sofa is marked with a ballpoint pen mark on how to remove pale yellow sofa .

Leather sofa maintenance.

Dirt: Wipe the surface with a soft cloth first, apply a little petroleum jelly, soak for a while, wipe with a cloth, do not wash with water or rub with gasoline.

Greasy: It can be removed with a cloth dipped in neutral detergent to avoid contact with acids and alkalis.

Cracks: small cracks and abrasions on the surface of the leather, you can use egg white to grind ink, and the colored skin can use the corresponding watercolor pigments, apply it repeatedly, and then rub the leather coat polish or petroleum jelly after drying.

Fracture: Apply high-quality adhesive such as Baide glue evenly on both sides of the scratch, wait for 8 10 minutes, tighten the gap, align the bonding, and finally use an eraser to remove the glue left on the crack.

Wet: It can only be placed in a cool and dry place to dry naturally, and avoid exposure to the sun and fire.

If the sofa is not very valuable, you can use sprinkled semen, method: sprinkle semen with cotton sticky, wipe on the leather surface, however, while cleaning, sprinkling semen will also dissolve the cleaned leather surface paint, and it will hurt the skin.

You can also try it with an elephant skin rub first.

You can't use nail polish remover, it's very hurtful.

If it is a very expensive sofa, please use a professional SkinKing ballpoint pen oil leather cleaner, or a SkinKing that specializes in removing heavy dirt from the leather. It can be purchased on Taobao.

Use nail polish remover, preferably diluted, and then wipe it with clean water and dry it with a dry cloth.

Try it with expired milk, and you might be able to do it.