[header] How to clean underwear [title] Apply stain remover solution onto soiled garments. [step] You should never put stained clothes into the wash without treating them first, because the water can set the stains. Spray a stain remover, like shout, oxiclean, or your other preferred brand, onto the stained area and let it sit for about 30 minutes. 
[substeps] After the solution has soaked into the stain, you can put it in the washer and run it through the cycle as normal. [title] Put a pinch of salt on blood-stained underwear, and run it under cold water.