stain remover mixture as consisting of one part Dawn dish washing liquid mixed with two parts HYDROGEN PEROXIDE for clothes Hydrogen peroxide useshttp://www.onegoodthingbyjillee.com/2012/09/hydrogen-peroxide-magic.html
My mattress had several stains, I'm sure they were a combination of drool, urine, beverages, baby spit up- you name it. Anyhow, this method really worked well. I had one pretty dark stain that I sprayed again later with a new mixture. I am amazed..