Sponge the stain with hydrogen peroxide or rub bar soap into the stain and scrub by hand in cold water. Apply laundry pre-treater or rub in liquid laundry detergent, and wash the remaining stain in warm water with a fabric-safe bleach until the stain is gone.
First, pour hydrogen peroxide on the stain and scrub it with a clean rag, and let it sit for about five minutes. Then, take a hot iron and put it over the stain until it disappears. Spray the stain with water, and iron it again to remove the ring the peroxide may have left.
Rinse the fabric with hydrogen peroxide or blot it with a rag or towel soaked with peroxide to dissolve and remove the remaining stain. For mild stains, this may be effective in completely eliminating the dried bloodstain. (Remember, hydrogen peroxide can have bleaching effects.
Old blood stains can be especially difficult to remove, however it's not always impossible. If the blood stains have been washed in hot water or put through the dryer, this could have set the stain and made them permanent.
The trick to removing dried blood is trying a simple method (soap and water) and moving on to more complicated methods if needed. If at first you do not succeed… Use an enzymatic cleaner. If soap and water do not adequately remove the stain, move on to an enzymatic cleaner, which will biodegrade the stain.
Are Dried-in-Blood Stains Harder to Remove? Yes, unfortunately they are, and this task often needs something stronger than soap and water. The most effective method is to use hydrogen peroxide, an oxidizing agent that removes old blood stains via a chemical reaction, breaking it down.
Dawn. If you have some Dawn dish soap, you can also use that to help remove blood stains. Dawn recommends applying a few drops of dish soap directly onto the fabric, covering the entire stain, and then rubbing it in with your fingers.
Wash as normal with laundry detergent and an extra scoop of OxiClean™ Versatile Stain Remover. That's how you use OxiClean™ to remove dried blood stains.
Soak Extra Long
Your average blood-stained sheets should soak in cold water for an hour or two, but if you're dealing with an old dried blood stain, it should soak for eight hours (or overnight).
Natural products like vinegar can actually help get out blood stains from clothing. To use vinegar to remove blood stains, all you need to do is pour the vinegar over the stain until it is completely covered and start gently blotting at it with a clean cloth or sponge.
These stains are removed by using a bleaching agent, for example, hydrogen peroxide. These oxidizing agents break down the color-causing components of chemical structures so that the stain becomes invisible!
If you're looking for a natural blood stain remover, white vinegar poured directly on the stain can help dissolve it. You may need to soak it in the vinegar for about thirty minutes and then rinse with cold water and return it to soak in the vinegar a few times to fully clear the stain.
Cold water is superior to hot water for blood stain removal. Attempting to remove the stain with hot water only helps blood to adhere to the material. Instead, cold water can help remove the blood without "setting" the stain in the process.
A baking soda paste (two parts baking soda to 1 part water) is also a good trick to help lift blood stains. Apply the poultice directly to the stain and leave it for up to 30 minutes. After you've removed the paste, carefully blot the area with a damp cloth or paper towel then wash as normal.
Unfortunately, sometimes blood stains happen when you're out of the house, and at that point, soap and laundry products won't do you any good. Luckily, salt water or saline can come in handy in a pinch. Plain old table salt and cold water do really well for getting period blood out of clothes after the stain has dried.
Salt is a strong dehydrating agent. Therefore, it can easily lift up water and blood from fabric. Make a thick paste with salt and water and rub directly onto the stain. Allow it to dry and then scrape it off.
First, scrape off all the remnants of dried blood over the garbage can or sink with a dry sponge or scrub brush. Cover the discolored area with hydrogen peroxide. It will bubble up as it attacks the stain, just like it does with fresh blood.
Hydrogen peroxide is very effective when it comes to removing blood stains but it is important to use it with caution and read the instructions before use. It may weaken or bleach some fabrics, so test the area first. Dilute the hydrogen peroxide with water to create a 50/50 solution.
Soak a microfiber cloth in 3% hydrogen peroxide and lightly scrub the stain. Apply a pre-treatment of a few drops of liquid laundry detergent to the blood stain. Wash the stained clothing in cold water with a natural bleaching agent like hydrogen peroxide, distilled white vinegar, or baking soda.
Apply rubbing alcohol to a clean white cloth, white paper towel or cotton ball. If the spot extends deep into the pile use a blotting motion until the spot is removed or no color is transferred to the cloth. Do not allow the alcohol to penetrate into the backing as this will destroy the latex bond.
After scrubbing, allow the peroxide to soak into the stain for about 10-15 minutes. You'll probably seem some fizzing happening, which is the hydrogen peroxide breaking down the proteins in the blood.
Blood stains and hydrogen peroxide
But it's better than straight-up bleach because it's usually color-safe. Still, you should always make sure it won't discolor the fabric in question by placing a small dot on a hidden area.
The WD-40 will help lift the blood stains so that it will come out easily in the wash. Try to get to the stain while it is still fresh because once it sets, it will be harder to get rid of. Use WD-40 to pretreat other stubborn stains on clothing, such as lipstick, dirt, grease, and ink stains.
Blood is full of proteins, and when exposed to hot temperatures, a protein will vibrate until it breaks the bonds that hold it together, causing the protein to clump. At that point, water loses the ability to wash them out, which is why you should always use cold water when cleaning blood from cloth.