How to remove cat urine odor from clothes: 10 quick wash steps

If you own a cat, there will undoubtedly be times when your feline companion accidentally urinates on your clothes, leaving a persistent and unpleasant odor. Don't rush to throw them away or wash them repeatedly without getting rid of the smell. This article will guide you on how to effectively and easily remove cat urine odor from clothes , using readily available household products. You'll learn how to handle the situation immediately, how to wash to completely eliminate the odor, and tips to help your cat avoid urinating on your clothes in the future. Just follow the steps correctly, and your clothes will be clean and fresh like new without breaking the bank.

How to effectively remove cat urine odor from clothes at home

Treat urine stains immediately before washing.

• Rinse the urine-stained clothing under running water to dilute the odor and stain.

• Gently pat dry with a paper towel or clean cloth, avoiding vigorous rubbing which can cause the odor to penetrate deep into the fabric fibers.

• Soak the clothes in a diluted hydrogen peroxide or bleach solution according to the instructions to break down the original odor.

Eliminate odors using white vinegar and baking soda.

• Soak all the clothes in a diluted white vinegar solution. The vinegar helps neutralize the urine odor and reduce staining from cat urine.

• Sprinkle a layer of baking soda directly onto the area where the odor persists. Baking soda is effective at absorbing odors and reducing moisture.

• Wash clothes as usual and air dry them instead of using a dryer to avoid trapping odors in the fabric fibers.

Wash again with enzyme detergent to completely eliminate the odor.

• Use laundry detergent containing enzymes specifically designed to eliminate cat urine odor. The enzymes will completely break down any remaining odor-causing molecules.

• Wash all the clothes again in a separate cycle to ensure the odor is completely eliminated.

• Check for odor before drying. If there is still a slight fishy smell, repeat the enzyme washing step once more for maximum effectiveness.

Step 1: Rinse away urine stains with cold water.

• Place the urine-stained clothing under cold running water and rinse continuously for several minutes. The goal is to dilute and wash away as much urine as possible before beginning the deodorization process.

• Treating the urine promptly with cold water helps prevent it from soaking deep into the fabric fibers. If left for too long, the cat's urine odor will cling and be difficult to remove completely.

• Avoid using hot or warm water because high temperatures can "trap odors," causing odor-causing molecules to cling more tightly and become harder to remove later.

Step 2: Blot the cloth with paper towels to absorb any remaining urine.

• Gently pat the area after rinsing with water using a paper towel or clean cloth; absolutely do not rub. Rubbing vigorously will cause the urine to soak deeper into the fabric fibers and make it harder to remove the odor.

• Continue blotting until the area is as dry as possible . Replace the wet paper towel with a fresh one each time to increase its absorbent effectiveness.

• When urine stains are fresh, rinsing with cold water and patting dry immediately helps remove the odor from the first wash, reducing the likelihood of the smell lingering on clothes.

Step 3: Soak clothes in oxy-bleach to remove odors and bacteria.

• Prepare a basin or sink with enough water to completely submerge the clothes. Add about 1/2 cup (120 ml) of oxybleach and stir until completely dissolved. Oxybleach can break down odors, bacteria, and organic molecules in cat urine, improving the effectiveness of subsequent washing.

• Place the urine-stained clothes in the solution and let them soak:

  • Colored items: soak for at least 1 hour .

  • White clothes: can be soaked for up to 4 hours to increase the effectiveness of removing odors and stains.

• Common oxy-bleach products include OxiClean, Vanish, or regular oxy-bleach powder.

• Do not use chlorine bleach because when chlorine comes into contact with ammonia in urine , it can create toxic gases and easily damage fabrics.

Step 4: Apply a solution of white vinegar to the stain to neutralize the urine odor.

• Mix 1 cup (240 ml) of white vinegar with 1 cup (240 ml) of water to create a diluted vinegar solution. The vinegar is acidic, so it helps neutralize the alkalinity of cat urine and inhibit odor-causing bacteria.

• Pour or dab the solution onto the smelly area of ​​the clothing, ensuring the fabric is evenly saturated . Let the solution soak in for a few minutes to allow the vinegar to neutralize the odor and soften the stain.

• White vinegar is the best choice because it doesn't stain fabrics and is suitable for most materials.

• You can use vinegar to remove many other odors, not just cat urine. If clothes have an unpleasant smell, white vinegar is always a simple and safe solution.

Step 5: Sprinkle baking soda on the remaining area to effectively absorb and neutralize the odor.

• After soaking the area in white vinegar, sprinkle a layer of baking soda directly onto the area stained with cat urine. Typically, you don't need more than 1 cup (237 g) for one garment.

• Baking soda has the ability to absorb moisture and odors , helping to draw odor-causing molecules out of the fabric fibers more easily during the washing process.

• Although not mandatory, baking soda is a very helpful extra step because, when combined with vinegar , it enhances the neutralization of urine odor, helping clothes become smelly faster and more naturally.

Step 6: Machine wash for the first time with cold water, without using detergent.

• Put the vinegar and baking soda-treated clothes into the washing machine and select the cold water setting . Warm or hot water can make the urine smell cling more tightly to the fabric.

• Do not add detergent for the first wash. Letting the vinegar and baking soda work on their own will help neutralize odors and clean urine stains more effectively.

• You can wash 1–2 items stained with urine in one load, but don't overload the load so that each item is thoroughly rinsed.

• Avoid washing them with other clothes because the smell of cat urine is very strong and can easily spread throughout the entire load.

Step 7: Air dry to prevent odors from "locking" into the fabric fibers.

• After the first wash, hang your clothes to dry in a well-ventilated area instead of using a dryer. Natural airflow helps any remaining odors evaporate more effectively.

• You can:

  • Drying indoors: drying time is approximately 24–36 hours , depending on the thickness of the fabric.

  • Drying outdoors: takes about 3 hours if the weather is mildly sunny and breezy.

• Absolutely avoid using a dryer , as the high temperature will cause the cat urine odor to penetrate deeply and permanently into the clothes, making it nearly impossible to remove the odor later.

Step 8: Wash the clothes again with enzyme detergent to completely eliminate odors.

• After the clothes have air-dried naturally in the first wash, wash them a second time with enzyme detergent . This type of detergent is capable of breaking down organic stains such as cat urine , helping to eliminate lingering odors more effectively than regular detergent.

• Put the clothes in the washing machine and select the cold or cool water setting . Enzymes work best at low temperatures, so you don't need to use hot water.

• When choosing a product, prioritize laundry detergents that list protease enzymes as ingredients. This is the most powerful enzyme in breaking down odor-causing molecules from cat urine.

• Most laundry detergents labeled "for cold wash" contain enzymes, but you should still check the label to be sure.

Step 9: Wash repeatedly if the smell persists.

• If the clothes still smell slightly after washing, continue washing them a few more times with enzyme detergent. Cat urine smells very strong, especially when it dries before you have a chance to treat it, so multiple washes are perfectly normal.

• For each subsequent wash, please:

  • Use cold water to prevent odors from soaking into the fabric.

  • Continue to choose enzyme-based laundry detergents , as enzymes are capable of completely breaking down odor-causing molecules .

• Pre-treatment steps using white vinegar, baking soda, or oxybleach help clean the base, but only enzyme detergent can break down the urine odor at its root , so don't skip this step.

Step 10: Check your cat's health if litter box urination occurs frequently.

• When a cat consistently urinates on clothes or outside its litter box, it could be a sign of stress or a health problem . You should take your cat to the veterinarian for examination and diagnosis. This will help your cat feel more comfortable and reduce the likelihood of this happening again.

• Certain health issues can cause cats to avoid the litter box:

  • Urinary tract infections or difficulty urinating can cause cats to fear pain when using the toilet.

  • Joint pain , especially in older cats, makes it difficult for them to step into litter boxes with high sides.

  • Dementia in older cats can cause confusion and difficulty remembering litter box locations.

• Psychological factors can also cause cats to urinate in the wrong place:

  • Changes in the environment, such as the arrival of a new person or pet , or moving the tray to a different location too suddenly, can cause problems.

  • Cats can experience stress due to living space or lack of attention. Create a sense of security by rewarding and petting your cat whenever it uses the litter box correctly.

• Don't forget to check the toilet tray itself:

  • A dirty or overfilled litter box will discourage your cat from using it.

  • Your cat may not like the current litter . Try changing to a new type of litter, or switching to a fine, unscented type to see how your cat reacts.

  • Place the litter box in a quiet, low-traffic area to help your cat feel safe when using it.

Use a blacklight to look for any remaining cat urine stains in the house.

• If your clothes are clean but you still smell urine around the house, use a UV flashlight (blacklight) to search for hidden urine stains.

• Shine a light on the walls, floors, sofas, carpets, corners, or furniture . The urine stain will glow, helping you clearly see the area that needs cleaning.

• Mark each point with chalk or sticky notes so you don't miss anything when you're working on it later.

Clean all stains using a specialized deodorizing product.

• Use a deodorizing product containing enzymes and oxybleach to treat the marked stains. The enzymes will break down the odor-causing molecules, while oxybleach helps to clean and disinfect.

• You can use this product for pre-soaking or put it in the washing machine if the stain is on the fabric.

Avoid using products containing ammonia.

• Do not use cleaning products containing ammonia , as the smell of ammonia is very similar to cat urine, which may cause the cat to urinate in the same spot and make the smell stronger.

References

1. https://www.homemadesimple.com/pet/how-to-get-rid-of-cat-pee-smell-a-guide/
2. https://catsinternational.org/booklet/eliminating-cat-urine-odor-using-oxyclean/
3. https://thecatsite.com/c/how-to-get-cat-pee-smell-out-of-clothes-and-linens/
4. https://kb.rspca.org.au/knowledge-base/why-is-my-cat-urinating-inappropriately/
5. https://sciencing.com/kind-stains-black-lights-detect-5045775.html

Translated by: Lesley Collins Tran .