Running Out of Multipurpose Cleaner? Laundry Detergent Can Save the Day Every Time

That bottle under your sink does far more than wash clothes. When a stain hits at the worst possible moment—a knocked-over wine glass, a sick pet on the carpet, grime caked onto patio furniture — laundry detergent can stand in for cleaners you don’t have, on surfaces you’d never expect.

The reason comes down to chemistry. Laundry detergent contains surfactants, which Irina Ganopolsky of Arm & Hammer describes to MarthaStewart.com as “specialized molecules designed to break up dirt and oil so they can be rinsed away with water.”

That’s the same action that lifts grease from a shirt—and it’s why a few drops can rescue a couch cushion, a tile floor or a set of makeup brushes.

Clever ways to use laundry detergent around the home

Once you start looking beyond the laundry room, the list of uses grows quickly. Some are obvious, like spot-cleaning upholstery, while others are the kinds of backup tricks people only discover after running out of a cleaner mid-mess.

Here are some of the most useful ways laundry detergent can help around the house:

1. Carpet stains: Blot with water first, then use a mixture of water and a small spoonful of low-suds detergent. Rinse the area afterward to avoid sticky residue. It can also work in carpet-cleaning machines.
2. Grout: Mix detergent with water and scrub with a toothbrush for smaller areas or a larger brush for tile floors. Powder detergent often works best because it clings better.
3. Makeup brushes: Brushes collect bacteria, oils, sweat and dead skin. Swirl them in a bowl of gentle detergent and water, rinse well and let them air dry.
4. Outdoor patio furniture: Detergent cuts through dirt and outdoor grime on plastic furniture. Removable cushion covers can often go straight into the washing machine.
5. Concrete patios and driveways: A detergent-and-water mix can clean surface dirt and fresh grime, though it won’t do much for deep or set-in stains.
6. Floors: Add 1 tablespoon of liquid detergent to a gallon of water for tile, linoleum and vinyl floors. Skip hardwood and natural stone.
7. Walls: Mix 1 tablespoon of detergent into a bucket of warm water and wipe gently to avoid damaging paint. Follow with a damp cloth to remove residue.
8. Furniture stains: A few drops of mild detergent in warm water can help spot-clean upholstery when blotted with a microfiber cloth. Avoid using it on leather.
9. Car interiors: Works on plastic trim and cloth upholstery for quick spot cleaning. Keep glass cleaner reserved for windows.
10. Kids’ toys: Add a tablespoon of detergent to hot water and soak plastic and fabric toys together for an easy bulk clean.
11. Countertops: A drop of detergent in a spray bottle filled with water can stand in for multi-purpose cleaner on laminate, quartz and granite. Avoid marble and other natural stone surfaces.

“Opting for an all-in-one, non-toxic concentrate, can further streamline your laundry and cleaning routine, making it even more convenient and environmentally friendly,” says Allison Evans, Co-founder of Branch Basics, per Southern Living.

What to know before you swap detergent for other cleaners

The key is treating laundry detergent as a backup tool rather than a one-size-fits-all cleaner. Used sparingly and followed with a good rinse, it can handle plenty of everyday messes without sending you on another run to the store.

“Not every laundry detergent is created equal, but some are remarkably versatile, especially if you know they will rinse 100%,” Taylor Sutherland, president of Charlie’s Soap, told The Spruce.

Look for detergent that is low-suds (HE-compatible), fragrance free, clear in color and light on chemical additives. Always spot-test in a hidden area first. And keep detergent away from delicate natural stone, hardwood, unfinished wood and glass—those surfaces need their own care.

The takeaway: that jug in the laundry room is one of the most useful cleaners in the house. You just have to know where to point it.