Hydrogen Peroxide works well for cleaning cuts, so it should be no surprise that it is effective for blood stains. It can have a bleaching effect so you will want to pretest it before applying it to a fabric stain. Keep a spray bottle of peroxide handy to tackle tough blood stains, even dried ones.
For blood stains on carpet, pour peroxide directly on the stain and blot with clean cloth. Pretest this solution on a remnant. Hydrogen peroxide can be purchased in the first aid section of your local drug store or grocery store. Always keep a bottle on hand.
my (ex)mil had a fantastic blood removing recipe using hydrogen peroxide
dampen the affected area with cold water. pour some hydrogen peroxide on the spot then a bit of dishwashing liquid (Dawn works very well) Scrub it very well, rinse and repeat if necessary.
You can use peroxide and a clean cloth to clean and disinfect sticky items like toys or high chair trays. Peroxide is cheap and it won't harm pets or humans.
When you cut your finger put peroxide on it & a bandage. But don't put peroxide on it after taking the bandage off as it slows in the healing process that has already started (got this info from a Dr.)
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