I have an okd blood stain on husbands trousers . Cant get it off. Tried hydrogen peroxide to no avail.
335100cookie-checkOld dried blood stain on trousers
Chemistry in the real world
Chemistry in the real world
I have an okd blood stain on husbands trousers . Cant get it off. Tried hydrogen peroxide to no avail.
To get blood off you need enzymes. Hopefully the peroxide hasn’t oxidised it too badly. Get some Biozet Attack liquid and rub it in with your fingers. Your fingers will warm the detergent to the optimum temp for the enzymes to work. After a few minutes, rinse and repeat if necessary. With enough elbow grease and patience it should come out