Tripboba.com - If you’ve been wondering how to remove oil stains from clothes that have been washed and dried, then look no more. Surprisingly enough, you can remove old oil stains on fabric with an additional step: using an enzyme-based cleaner. The heat involved in a dryer cycle essentially “bakes” the oil into the fabric, which can result in discoloration. This is where an enzyme-based cleaner plays the role.
How to remove old oil stains from clothes
This is especially the case with lipase as this enzyme breaks down fats. It's effective on oil and grease stains. Pre-treat the old stains like you did the first time, let the pre-treatment dry, then use the enzyme-based treatment. You can then wash and dry it again as usual.
WD-40, a unique, special blend of lubricants, can also be a good alternative in attempt to get rid of the stubborn oil stains. Make sure to place a scrap of cardboard underneath the stains, between the front and back of the t-shirt (or other article of clothing) so that the WD-40 won’t spread through the stain to the back of the shirt.
Carefully apply the WD-40 using a spray attachment or Q-tips. Then, lift the stain with baking soda sprinkles. Bring out a toothbrush and spread the baking soda into the stain, scrubbing the powder. Next, pour liquid detergent directly to the stain and brush into the stained areas. You can then launder it as usual.