Blot any remaining liquid with the towel until the mattress is dry. Don’t rub the liquid or you will widen the stain.
Fill a spray bottle with hydrogen peroxide. Spray the stain and allow it to sit for five minutes.
Blot the area dry with the towel.
Clean the spray bottle. Refill it with water and distilled white vinegar.
Spray the area and blot it with the towel. The vinegar will not only aid in removing the stain, but it will also deodorize the mattress and hinder the growth of mold and mildew.
Allow the mattress to dry outside or near an open window.