Stubborn yellow stain removal is a problem that many people face. Here are some things you can try:
Use shampoo: The sweat that comes out of the human body contains fat and protein, which is also the main cause of yellow stains on the neckline. Shampoo is very effective in cleansing body fat and protein, and can be used to remove stubborn yellow stains.
Use toothpaste: Toothpaste has a stain removal effect and can be used to remove hard-to-get stains from the toilet. After the toothpaste is prepared in a ratio of 1:1:10 with water, it is left overnight and then used to scrub the stubborn yellow stains in the toilet.
Use eco-friendly enzymes: Prepare enzymes, edible alkali and water in a ratio of 1:1:10 and leave overnight. Then it is used to scrub the stubborn yellow stains in the toilet, and the effect is very good.
Use 84 disinfectant: 84 disinfectant has strong oxidation, most of the substances can be removed directly, you can use 84 disinfectant to clean the toilet not only to remove scale and urine scale, but also to play a role in disinfection.
Use glutinous rice water + lemonade: Mix glutinous rice water and lemonade together and boil, then use a small brush to brush the edge of the shoe, and the yellow of the edge will be removed a lot.
Use hydrogen peroxide method: add 3% concentration of hydrogen peroxide in a basin of clean water, add a little ammonia to make it weakly alkaline, generally soak and bleached at room temperature for 3-5 hours, and then brush the edge of the shoe with a brush, wash it and put it in the sun to dry.
It is important to note that the above methods all have some effect, but different people and different items may need to try different methods. In addition, when using these methods, you also need to be careful not to stain other colored parts of your shoes with disinfectant.