Removing Oily Stains
Use a pretreatment spray, then wash the item in hot water with a heavy-duty laundry detergent. According to Ohio State University, remove oil stains as quickly as possible.
Rub dish-washing detergent that contains enzymes, such as Dawn or Cascade, into the stain. This is an alternative method. Use a soft toothbrush to rub it into the stain under warm water, according to LifeTips.
Have delicate fabrics, such as silk and dry clean-only garments, cleaned by professionals.