Can I use hot water to remove a grease stain from a cotton couch cushion?

No, hot water can set the grease stain, making it harder to remove. Use warm or cool water instead.

How long should I let baking soda sit on a set-in grease stain?

Let baking soda sit for at least 30 minutes, but for stubborn stains, you can leave it on for several hours or overnight to absorb more oil.

What if the grease stain doesn't come out after trying dish soap and baking soda?

If the stain persists, you can try white vinegar or an enzyme cleaner. If it still doesn't come out, consider consulting a professional upholstery cleaner.

Carpet & Upholstery

How to Remove a Grease Stain from a Cotton Couch Cushion

A grease stain on a cotton couch cushion can leave a dark, oily mark, but you can lift it with dish soap and baking soda. Here's a practical guide for fresh and set-in stains, with cotton-specific precautions.

Published August 20, 2026 Updated August 23, 2026 5 min read

Part 2: Safer action steps

If the grease has had time to set, you'll need a slightly different approach:

Apply baking soda. Sprinkle a generous amount of baking soda over the stain. Baking soda is a mild abrasive and helps absorb grease.
Let it sit. Allow the baking soda to sit on the stain for at least 30 minutes, or longer for stubborn stains. It will draw out some of the oil.
Brush off the baking soda. Use a soft brush or vacuum to remove the baking soda.
Treat with dish soap. Apply liquid dish soap directly to the stain and gently work it in with your fingers or a soft brush.
Let it sit. Allow the dish soap to sit for 15-20 minutes.
Blot with warm water. Dampen a clean cloth with warm water and blot the area to lift the grease and soap. Repeat as needed.
Rinse and dry. Rinse with a clean, damp cloth to remove any residue, then blot dry and air dry.

What Not to Do

Don't rub the stain. Rubbing can push the grease deeper into the fibers and spread the stain.
Don't use hot water. Hot water can set the grease stain, making it harder to remove. Use warm or cool water.
Don't use harsh chemicals. Avoid bleach, ammonia, or other strong cleaners that can damage cotton or discolor the fabric.
Don't dry the cushion until the stain is gone. Heat from a dryer or direct sunlight can set the stain permanently.

Fresh vs. Dried Stains

Fresh grease stains are much easier to remove because the oil hasn't had time to bond with the cotton fibers. For fresh stains, dish soap alone is often enough. For set-in stains, baking soda helps absorb the oil, and dish soap breaks down the remaining grease. If the stain is very old or has been heat-set (e.g., from a dryer), it may be impossible to remove completely, but these methods are your best bet.