You can buy a bottle of glycerin at most supermarkets or online. In a pinch, you could use vegetable oil although it may not be as effective as pure glycerin. If you’d rather buy a custom product to treat your tough bloodstain, shop for a blood protein remover. [2] X Expert Source Robert ShapiroLaundry Specialist Expert Interview. 24 August 2021. Follow the manufacturer’s instructions for diluting the product and apply it the same way you’d use the solution. If you want to try a home remedy, mix meat tenderizer powder with water to make a thick paste and spread it on the stain. [3] X Research source The tenderizer contains enzymes that break apart the bloodstain but don’t leave it on too long or it could damage the silk fabric.

If you used the meat tenderizer paste, you may want to rinse the fabric under running water. This can be easier than rubbing the paste out of the silk.

Some silk items might recommend taking them to the dry cleaner for professional cleaning.

Resist the urge to scrub the stain with your cloth or paper towel since this makes the stain spread.

If you’re treating a larger stain, just double or triple the amounts.

To prevent the stain from spreading, don’t rub the sponge back and forth on the silk.

Never use hot water to treat a bloodstain or you’ll accidentally set it.

If the stain is gone, great! Just lay your silk fabric flat to air dry completely.