GarmentCare Guide 
Oil-Stain Care for Cotton Clothing
An oily patch needs more than a decision to wash the garment again. Remove excess without spreading it, check the cotton item's full care instructions, and choose a compatible pretreatment. The type of oil and the presence of other fibers or finishes still matter. Inspect the result before adding heat that could make remaining residue harder to remove.
Rinse and pretreat appropriately
Tide's cooking-oil guide recommends addressing the mark promptly. For a suitable washable garment, it describes rinsing and a small dish-soap pretreatment to help loosen the oily residue before the main wash. The care label still controls which washing conditions and handling methods the fabric can tolerate.
Repeat before drying if needed
Wash with an appropriate detergent according to the garment's directions, then unload and inspect. The source advises repeating the steps while a stain remains rather than putting it directly into heated drying. This distinguishes removal of visible residue from completion of an ordinary laundry cycle: the stained area needs its own final check.
