To remove ink stains, you can rinse them with clean water first, or scrub them with detergent. If there are still traces, you can apply five or six tablets of acetic acid dissolved in one tablespoon of hot water to remove the stain.

1. White clothes with cotton and linen texture can be washed with about one liter of hot water and one teaspoon of soda and bleach. For thick ink stains, you can mix rice particles, paste and detergent on the ink stains, and rub them repeatedly with your fingertips until the ink stains disappear. Or use digestive ingots to put them on the ink stain, and the gum in the ink stain is dissolved by the enzyme in the ingot, which will be cleaner. Then soak the detergent solution containing enzymes in detergent and soak for 30 minutes, then rub and rinse and leave no trace.

2. The texture of silk is easily damaged, so it cannot be soaked for too long. After applying acetic acid, it must be rinsed immediately after about one minute.

3. The nylon clothing should be made of hot water at about 80 degrees Celsius, brew neutral detergent, add a few drops of ammonia, and then gently rub and wash.

4. When the clothes are stained with red ink, first use hot water to rinse the dyed part two or three times. If there are still traces, wrap the radish in gauze, then use it to wipe the stain, and finally rinse it with soapy water. You can also use the upper layer of boiled rice bran to rinse it with alcohol, and then use bleaching it.

5. If the clothes are stained with blue ink, you can wash them with soapy water first. If there are still traces, use five or six tablets of acetic acid to soak ten CC hot water, apply it to the contaminated area, and then rinse with water and bleach it.

6. If the clothes are stained with ink from the signature pen, you can wipe them with carbon tetrachloride, turpentine or desmearing oil; or add laundry detergent containing Amonia to warm water, wet it into ten to twenty times the aqueous solution, then soak the clothes in it, and then rub and wash it.

7. When the clothes are stained with atomic pen ink stains, you can dip gauze into the ink stains with alcohol, and then rub and wash with 10% ethylene glycol butyl ether solution. If there is no ethylene glycol butyl ether, you can use 20 times the warm water solution of detergent.

8. If it is a silky fabric, you can use glyceride to wash the contaminated area and rinse it with water. If you feel it is not very clean, you can use bleach to wash it several times.