Method 1: Wash new stains with cold water first, then soak in warm soapy liquid for a while, and then rinse with clean water; old stains can be washed with detergent first, and then rubbed with 10% alcohol solution. get rid of. ?

Method 2: You can mix rice grains and detergent thoroughly, apply it on the stained part and rub it, and then rinse it with clean water; you can also use a solution made of one part alcohol and two parts soap to rub it repeatedly, which also has good results. Effect. ?

Method 3: The general method is to put a towel under the stain, use a small bristle brush dipped in alcohol and gently scrub it along the silk. After the stain is dissolved and spread, soak it in cold water, apply soap and gently Brush and repeat this two or three times to basically remove the ballpoint pen oil. If there is still a small amount of residue after washing, it can be removed by soaking in hot soapy water or boiling it.

Note that these stain removal methods are most effective when removed within three days.