You should see the grease begin to wash away as a faint slick on the water's surface. For particularly stubborn stains, a pre-wash stain remover or a paste of baking soda and water can be applied directly to the fabric before washing.
Fix Water Smear Oil Shirt Stain with These Steps
Most common cooking or skincare oils are not water-soluble, meaning they will simply smear and sink deeper if you attempt to wash the shirt immediately. Add your regular laundry detergent, but avoid adding chlorine bleach unless you are certain it is safe for the material, as bleach can set protein-based stains.
The key to success lies in acting quickly and applying the right treatment before the oil sets into the fibers. Use the hottest water setting that is safe for the fabric of your shirt, as heat helps to dissolve any remaining traces of oil.
Fix Smearing Oil Shirt Stains with Water and Proper Technique
Never place a shirt in the dryer until you have verified that the oil stain is no longer visible. Gently work the soap into the fibers using your fingers or a soft-bristled toothbrush, focusing on working the soap deep into the fabric.
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