Turn to white chalk for a stain remover. Simply rub onto greasy stains and the chalk powder will absorb the grease, making the stain easily removable by the laundry soap in the wash. Works wonders for everything from lipstick to bacon grease.
Use chalk to remove grease stains from clothes. Simply rub white chalk on the affected area and wash as normal - the chalk will absorb the grease and be washed away in the cycle. - 101 Household Tips for Every Room in your Home
How to get your dirty whites clean again HOT HOT water, 1 cap of laundry detergent, 1 cup powdered dish washer detergent, 1 cup bleach, cup borax. Rewash it once to put softener in it. If you omit the bleach it works great to get stains out of colors too.
One part Dawn dishwashing liquid mixed with two parts HYDROGEN PEROXIDE. Add baking soda for scrubbing help. Use laundry brush to work into the stain. Supposed to actually take yellow armpit stains out of white shirts!