How to clean menstrual blood stains after a long time

If you do not take proper care of yourself, menstrual blood may stain your clothes during your period. If it is fresh blood, it should be easier to wash. However, if the blood stains have dried for a long time, it will be relatively difficult and troublesome to clean them. At this time, you must first soak them for a while, and then add enzyme laundry detergent to clean them. You can also use sulfur soap for cleaning, which not only has a good cleaning effect, but also has a good bactericidal effect.

How to clean menstrual blood stains after a long time

1. How to clean fresh blood stains on clothes

How to wash clothes when they are stained with blood? If you find blood stains, wash them immediately with cold water or light salt water (hot water is forbidden because blood contains protein which will coagulate when heated and is not easy to dissolve), and then wash them with soap or 10% potassium iodide solution. If you find that the blood stain has not completely disappeared, you should place a cloth on the back of the blood stain, spread white radish slices or white radish paste on the blood stain, and then pat it hard. Or you can use enzyme laundry detergent to wash it, which is quite effective. Finally, rinse it with clean water.

2. Tips for cleaning blood stains that have been there for a long time

If the blood stains on the clothes have solidified into old blood stains, how to wash them? First, you should soak them in cold water for a long time. Because when the blood has not coagulated, the iron in hemoglobin exists in the form of ferrous iron and is soluble in water. Over time, the ferrous iron in hemoglobin is oxidized into ferric iron and coagulates with protein, forming blood stains on fabrics that are difficult to wash off. You can use enzyme laundry detergent to soak for a long time to remove blood stains between fibers. The alkaline protease in the enzyme laundry detergent can relax and disintegrate the protein in the blood stains and peel it off the fabric. If it is still not clean, wipe the stained area with tartaric acid solution or ammonia water (10%), or scrub it with 10% to 15% oxalic acid solution for 1 to 2 minutes, because oxalic acid is a reducing agent and can reduce water-insoluble trivalent iron to water-soluble divalent iron.

3. Precautions when cleaning blood stains

Whether it is a new stain or an old stain, it can be cleaned by rubbing with sulfur soap. It is not difficult to wash blood stains from clothes, but if not handled properly, they will leave stains. First of all, you need to see how long the bloodstain has been on the clothes. If it is fresh blood, wash it with cold water and then use detergent. Avoid using hot water at this time, otherwise it will leave difficult-to-treat stains. If it is a long-standing bloodstain, soak it in cold water for two or three hours, and then rub it with lemon juice and salt. Once hot water is used, it will inevitably leave marks.