How to Get BO Smell Out of Clothes: 8 Proven Methods That Work

To get BO smell out of clothes, pre-soak them in white vinegar or baking soda, wash with detergent, and air dry promptly. Using these easy steps targets odor-causing bacteria and stops smells from sticking around. This advice works well for gym wear, active people’s laundry, or anyone fighting persistent body odor in their clothing.

This article offers practical methods tailored for those dealing with tough sweat smells in workout or everyday clothes. You’ll learn simple, proven techniques to remove odors effectively and keep your clothes fresher after every wash.

1. Effective Ways to Remove BO Smell from Clothes

Removing body odor from clothes requires tackling the source of the smell, bacteria and trapped sweat oils, rather than just masking it. Everyday detergents sometimes fail, especially on synthetic activewear. Using natural soaking solutions like white vinegar or baking soda can break down odor-causing elements before a full wash. For quick freshness without a complete wash cycle, airing out clothes or light spot treatments work well.

Combining soaking with washing is more effective. Soaking loosens the buildup, making standard washing with the right detergent more successful. Avoid mixing vinegar and baking soda directly in the same cycle since they neutralize each other, reducing effectiveness. Here’s a step-by-step method to effectively remove body odor from your clothes, including both soaking and washing. This approach suits gym clothes and everyday wear prone to stubborn odors:

1. Sort the clothes: Separate synthetic activewear from cotton or natural fibers to optimize treatment based on fabric type.
2. Pre-soak in white vinegar: Fill a basin with cool water and add one cup of white vinegar. Submerge the clothes for 30 minutes to break down odor-causing bacteria and residues.
3. Rinse thoroughly: Remove clothes from the vinegar soak and rinse under cool running water to wash away loosened residues.
4. Apply baking soda on stubborn spots: Sprinkle baking soda directly to underarm or heavy odor areas. Let sit for 15 minutes to absorb lingering smells.
5. Wash using odor-fighting detergent: Choose a detergent specifically designed for activewear or heavy odor removal. Wash clothes in the warmest water safe for the fabric (check labels), following detergent instructions.
6. Air-dry completely: Dry clothes in fresh air or sunlight to prevent bacteria regrowth, which thrives in moist environments.
7. For light freshening, skip full wash: Hang clothes outdoors or in a well-ventilated area to air out between wears. Spray or lightly dab with a mixture of water and a small amount of vinegar for quick odor neutralizing without washing.

Implementing these steps regularly helps keep odors from settling deep into fabric fibers. Effective washing targets the bacteria and oils trapped in synthetic materials that typical laundry detergent might not fully remove. Vinegar and baking soda treatments cost just a few dollars and use household staples, offering a natural, sustainable solution suited for active lifestyles.

2. Why Does Body Odor Linger Even After Washing?

Clothes often still smell like sweat after washing because of the way bacteria, sweat oils, and fabric interact. Sweat itself doesn’t have a strong odor; the smell comes from bacteria living on your skin that feed on sweat and body oils left behind on fabric. These bacteria break down the oils and sweat, producing gases that create the unpleasant body odor you notice.

Bacteria thrive in the damp, warm environment created by sweaty clothing. The oils secreted by your skin, such as sebum, stick to fibers and provide a food source for these bacteria. This makes it harder for regular detergent to remove the smell because it primarily targets surface dirt, not deeply embedded oils and bacteria. Over time, these microorganisms multiply inside the fabric, causing the odor to linger even after normal washing.

Most of the bacteria and odor-causing substances build up on the inside of your clothes, especially in areas like your armpits where sweat is heaviest. Turning workout clothes inside-out before washing exposes those areas better to the detergent and water. Using warm water between 90°F and 110°F helps break down the oils and kills more bacteria than cold water alone. However, very hot water may damage some fabrics, so check care labels first.

The choice of detergent also matters. Specialized detergents made for activewear contain enzymes or ingredients designed to break down oils that standard laundry products can’t remove. These formulas help lift the sweat oils from synthetic fibers where many regular detergents fail. Adding a laundry sanitizer can further kill bacteria that survive washing and reduce odor buildup.

Fabrics like polyester and nylon hold onto oils more tightly, trapping bacteria in their fibers longer than natural materials such as cotton. This is why synthetic workout clothes are more prone to stubborn odors. Oils and bacteria form a film inside those fabrics that requires targeted detergents and washing techniques to break up effectively.

Turning sweaty clothes inside-out before washing focuses cleaning on the most odor-prone areas, helping remove trapped bacteria and oils more efficiently.

3. How Fabric Types Impact Odor Retention and Removal

Different fabrics absorb and retain body odor in unique ways, which affects how you should wash them. Natural fibers like cotton breathe better and hold less odor, while synthetic fabrics trap smells more stubbornly. Delicates need extra gentle care to avoid damage while removing odor effectively.

Natural Fabrics: Cotton, Linen, Hemp

Natural fabrics such as cotton, linen, and hemp are more breathable and less likely to hold onto strong odors after sweating. These fabrics allow air circulation that helps prevent bacteria buildup, the main cause of body odor. Washing cotton clothes in warm water with baking soda or using activated carbon during drying can boost odor removal.

For best results, let these fabrics dry in fresh air and sunlight when possible. Avoid leaving damp natural fabrics in dark, enclosed places, as this promotes a musty smell. Baking soda sprinkled on damp clothes before washing can neutralize odors, costing just a few cents per load.

Synthetic Fabrics: Polyester, Nylon, Spandex

Synthetic materials like polyester, nylon, and spandex absorb and hold sweat odors much more stubbornly. Moisture-wicking fabrics push sweat and bacteria outward, which ironically increases the smell over time. Standard washing often isn’t enough to remove trapped body oils and bacteria completely.

Use a vinegar spray diluted 1:1 with water before washing, and try the 15-minute dryer trick, putting clothes in the dryer on a low heat setting for about 15 minutes, to eliminate odor. Freezing synthetic gym clothes overnight can also help kill odor-causing bacteria by halting their growth temporarily.

Delicate Fabrics: Wool, Silk, Cashmere

Delicate natural fabrics like wool, silk, and cashmere require gentle handling to preserve their texture while removing odors. Avoid soaking these fabrics or exposing them to high heat, which can shrink or damage fibers. Instead, use gentle steaming and alcohol-free fabric deodorizers to refresh clothes without harm.

Air drying indoors works best for these materials to maintain their shape and softness. Steaming lightly also kills odor-causing bacteria without harsh chemicals or long wash cycles. Avoid sunlight and heavy soaking, as they degrade delicate fibers and reduce the lifespan of your garments. Here is a summary of how different fabric categories respond to odor and which cleaning methods work best:

Matching the cleaning approach to fabric type helps you remove stubborn body odor more effectively and protects your clothes from damage. Choosing breathable natural fabrics for sweaty conditions and maintaining synthetic workout gear with targeted treatments can keep your activewear smelling fresher longer.

4. Pre-Soaking and Washing Techniques for Stubborn Odors

To get stubborn BO odors fully out of clothes, start with a pre-soak using household items like white vinegar or a baking soda and lemon juice mix. These natural solutions break down odor-causing bacteria and sweat residues before washing. For the wash cycle, use enzyme-based detergents with fragrance-free formulas and set your machine to warm or hot water when fabric care allows, targeting bacteria removal effectively.

White Vinegar Soak: Benefits and Usage

White vinegar is a natural deodorizer with acetic acid that kills bacteria causing sweat odors within about 30 minutes. Soaking clothes in a vinegar solution not only neutralizes smells but also loosens grime and sweat buildup trapped in the fibers. It works best with cool or warm water to avoid setting stains or shrinking delicate fabrics. For a reliable vinegar pre-soak:

1. Fill a basin or sink with enough cool water to fully submerge your clothes.
2. Add ½ cup of white vinegar and stir to mix.
3. Place the sweaty garments into the solution, ensuring they are fully soaked.
4. Let them soak for 30 minutes, allowing the vinegar to break down odor-causing bacteria.
5. After soaking, wring out excess liquid gently and transfer immediately to the wash cycle.

This soak is affordable, costing only pennies per use, and is safe even for frequently washed workout gear. Avoid hot water with vinegar for delicate or synthetic fabrics to prevent damage.

Baking Soda and Lemon Juice for Pre-Treatment

Combining baking soda and lemon juice creates a powerful pre-treatment to tackle stubborn body odor. Baking soda raises the pH, which prevents bacteria growth, and absorbs odors. Lemon juice contains citric acid, helping to break down sweat stains and bacteria further. This duo works well for spots or entire garments before washing. Follow these steps to pre-treat gym clothes efficiently:

1. Mix ¼ cup baking soda with enough lemon juice to form a thick paste.
2. Apply the paste directly to odor-prone areas like underarms or collars.
3. Allow the paste to sit on the fabric for 15 to 30 minutes for best results.
4. Rinse the pre-treated spots with cool water to remove residue.
5. Then, wash the entire garment using your usual detergent.

This method targets localized odors without soaking the entire garment, making it ideal for quick refreshes or delicate items sensitive to full-soak treatments.

Choosing Enzyme-Based or Specialty Detergents

Enzyme-based detergents specialize in breaking down protein and oil residues from sweat and skin, which are primary causes of lasting BO smells. Look for fragrance-free or mild detergents designed for sportswear or sensitive skin. These will avoid masking odors and focus on truly removing them. For optimal washing settings:

1. Set your machine temperature to warm or hot, checking garment care labels to prevent shrinking.
2. Use the recommended detergent amount based on load size but avoid overloading your machine.
3. Add ¼ to ½ cup of baking soda directly into the drum alongside detergent for a deodorizing boost.
4. Choose a longer wash cycle with an extra rinse if available, to flush out residues thoroughly.
5. Dry clothes in sunlight when possible, as UV rays aid odor elimination naturally.

These washing techniques help remove deep-seated bacteria and oils that cause persistent body odors, keeping your workout clothes fresher for longer. Avoid fabric softeners, which can trap odors by coating fabric fibers.

5. No-Wash Solutions to Refresh Clothes Quickly

Removing body odor from clothes without washing is possible using several practical methods. These rely on neutralizing or masking odors quickly through air circulation, natural sunlight, sprays, freezing, and steaming. Each method suits different situations, so you can choose based on how much time and effort you have.

Air and Sunlight: Natural Odor Fading

Fresh air and sunlight work together to reduce body odor by killing bacteria naturally and drying out damp fabrics. Hang your sweaty gym clothes outside on a sunny day for 30 minutes to an hour. Ultraviolet (UV) rays from the sun kill bacteria that cause smell, while open air helps evaporate moisture that feeds odor-originating microbes.

Air circulation indoors also helps if outside drying isn’t possible. Lay clothes flat or hang them in a well-ventilated room for 5 to 10 minutes to allow odors to diminish. Avoid damp, closed spaces because they encourage bacteria and mildew growth, which worsens smells.

• Hang clothes in direct sunlight for at least 30 minutes
• Use a fan or open window to increase air flow indoors
• Spread items flat or hang to maximize surface exposure
• Don’t leave clothes balled up or in plastic bags after workouts
• Avoid humid environments that promote bacterial growth

Don’t rely on sunlight if your fabric is delicate or colors may fade; try indoor airing instead.

Vodka and Vinegar Spray Mixtures

Sprays made with alcohol or vinegar are excellent for quick odor neutralizing because alcohol kills odor-causing bacteria fast. Vodka is popular for this because it evaporates quickly without leaving residue. Mix equal parts plain vodka and water in a spray bottle, then lightly mist your clothes. Let them air dry for 15 to 30 minutes.

Alternatively, use a vinegar spray by diluting white vinegar with water (1:3 ratio). Vinegar neutralizes odors and kills bacteria but may leave a vinegar scent that fades after drying. Essential oils such as lavender or tea tree can be added to these sprays to mask smells naturally while providing antibacterial effects.

• Mix 50% vodka and 50% water in a spray bottle
• Or mix 1 part white vinegar with 3 parts water
• Optional: add 10, 15 drops of essential oil per cup of liquid
• Spray clothes lightly, avoiding soaking
• Let clothes air dry completely for up to 30 minutes

Spot test sprays before use to prevent discoloration or fabric damage.

Freezer Method: When and How to Use It

Placing clothes in the freezer is a simple, no-wash way to reduce body odor. Freezing temperatures stop bacteria from growing and can kill many odor-causing microbes. Fold gym shirts or shorts and put them inside a resealable plastic bag. Seal it tightly to protect from moisture, then leave it in the freezer for 8 to 12 hours.

This method doesn’t remove all odors but is useful for clothes worn lightly or once, allowing you to refresh them before the next use. Avoid freezing if clothes are very wet; dry them out first to prevent ice damage and mold formation.

• Place dry or mostly dry clothes in a sealable plastic bag
• Seal the bag tightly to avoid moisture buildup
• Freeze for at least 8 hours, up to overnight
• Remove and air out before wearing
• Not a substitute for deep washing if odor persists

Don’t freeze wet clothes; ice crystals can damage fabric fibers and lock in odors.

Steam Treatments for Delicate or Dry-Clean Only Fabrics

Using steam refreshes clothes by loosening odor-causing particles and killing bacteria without harsh chemicals. This is ideal for workout gear made of delicate materials or those labeled dry clean only. Hang the garment and run a handheld steamer over it for 5 to 10 minutes, keeping the steamer at least 6 inches away to prevent water spotting.

Steam also reduces wrinkles, so your clothes will look and smell fresher quickly. For fabrics that can’t handle heat, try hanging them in a hot, steamy bathroom for 10 minutes as a gentler option.

• Hang clothes on a sturdy hanger
• Use a handheld fabric steamer or iron with steam function
• Keep steamer head 6 to 8 inches from fabric surface
• Steam all odor-prone areas for 5 to 10 minutes
• Let the fabric air dry completely before storing or wearing

Avoid direct contact of steam with delicate fabrics as this might cause water spots or shrinkage.

6. Common Mistakes That Keep Clothes Smelling Bad

One common mistake that keeps body odor smells trapped in clothes is overloading the washing machine. When you pack too many garments into a load, water and detergent can’t circulate properly to rinse away oils and bacteria that cause odors. This leads to clothes that look clean but still smell bad. To avoid this, fill your washer about two-thirds full, allowing space for water movement and thorough cleaning.

Using the wrong detergent or too little detergent can also worsen odors. Some detergents lack enzymes that break down sweat and bacteria, letting smells linger. Try choosing a detergent specially formulated to fight odors, often labeled for sports or activewear. Measure detergent carefully according to load size and soil level to prevent residue buildup, which can trap smells.

• Do not overload the washer; leave room for clothes to move freely.
• Use a detergent with odor-fighting enzymes designed for sweaty clothing.
• Wash clothes promptly after wearing to prevent bacteria growth.
• Dry clothes completely before storing to avoid musty smells.
• Store clothes in a dry, well-ventilated space with moisture absorbers like silica packets.
• Avoid warm, damp environments like old dryers that can worsen odors.
• Do not leave damp clothes in the washer; transfer to the dryer or hang immediately.

Drying and storage habits greatly impact lingering smells. Drying clothes thoroughly at the right temperature kills odor-causing bacteria and prevents mildew growth. Running a full drying cycle on medium heat works best. Avoid leaving wet or damp clothes sitting in the washer or laundry basket, since moisture encourages bacterial growth and musty odors.

Once dry, store your clothes in spaces with good air circulation to keep them fresh. Avoid sealing sweaty clothes in plastic bags or drawers when damp. Using moisture absorbers like silica gel packets in storage areas helps reduce humidity. This simple step prevents the musty smell common in low-ventilation closets or drawers, especially in humid climates.

7. Special Care for Synthetic and Delicate Workout Clothes

To keep synthetic activewear and delicate workout clothes both functional and free from body odor, choose detergents specially formulated for activewear. These detergents typically use plant-based cleaning agents that break down sweat oils better than regular detergents while avoiding synthetic fragrances that can irritate skin or trap odors. Use no more than half the recommended amount to reduce residue build-up, which can weaken fabric breathability and trap smells. Washing these clothes separately from heavy items like denim or sweatshirts prevents abrasion and fabric damage that allows odors to cling.

Delicate fabrics require gentle handling to avoid wear and maintain their odor resistance. Wash these items in cold water on a delicate cycle, or better yet, hand wash using the activewear detergent diluted in water. Avoid bleach and traditional fabric softeners, which can damage fibers or coat them with residue that seals in smells instead of removing them. Fabric softeners often leave a waxy layer, especially on synthetics, reducing moisture-wicking capabilities and trapping odor-causing bacteria.

For stubborn odors, consider a soak before washing. Fill a basin with cool water mixed with a small amount of the special activewear detergent and soak garments for 15 to 30 minutes. This softens sweat-encrusted fibers and loosens smell-causing oils without harsh chemicals. Rinse thoroughly with cold water afterward. Dry clothes by air drying flat or hanging in a well-ventilated area away from direct sun, which can degrade synthetic fabrics. Avoid hot dryer settings, as heat can set odors and damage delicate materials.

Many activewear fabrics benefit from occasional use of odor-neutralizing additives like white vinegar or baking soda. Add 1/2 cup of white vinegar during the rinse cycle or sprinkle 1/4 cup of baking soda into the wash water with detergent. Both help break down residual oils and reduce musty smells naturally without coating fabrics. Avoid mixing vinegar with bleach or detergents containing bleach to prevent harmful chemical reactions.

Replacing old or overused detergents with these specialized formulas often costs just a few dollars more per bottle but improves odor removal and garment longevity. Proper care avoids replacing expensive workout gear prematurely due to persistent odors or fabric degradation. Skipping softeners and bleach safeguards your clothes’ sweat-wicking abilities and ensures odor is truly removed, not just masked.

8. Preventing BO Smell from Returning to Clothes

Sweaty clothes should be washed as soon as possible, ideally within 24 hours, to prevent sweat and bacteria from setting deep into the fabric. The longer you wait, the harder it becomes to remove the body odor from your workout gear. Prompt washing breaks down sweat and odor molecules before they cling stubbornly to your clothes.

Personal hygiene and diet can also influence the smell your clothes absorb. Using the right amount of deodorant or antiperspirant reduces sweat and odor transfer to clothing. Foods like garlic or spicy ingredients may increase body odor, while staying hydrated and washing daily help keep sweat smells milder.

Proper storage plays a significant role in avoiding musty, trapped odors after washing. Clothes stored in cramped or unventilated spaces often develop a musty scent, even if freshly cleaned. Aim to keep your gym clothes in a dry, well-ventilated area to help them stay fresh longer.

• Wash sweaty clothes within 24 hours to prevent odor setting.
• Use deodorant or antiperspirant to control sweat transfer.
• Store garments in a dry closet or drawer with good airflow.
• Avoid stacking clothes tightly; allow space for air circulation.
• Keep workout clothes completely dry before storing.
• Consider using moisture-absorbing packets or vents in storage areas.
• Rinse clothes immediately if washing isn’t possible right away.

Leaving damp gym clothes in your bag or laundry basket invites bacteria growth and stubborn smells that are harder to wash out.

Following these steps demands little extra time or expense but offers noticeable improvements in the fresher smell and life of your workout clothes. Simple habits like timely washing, consistent hygiene, and smart storage keep body odor from returning and make your gear more pleasant to wear. Consistent care encourages your clothes to maintain their crisp, clean scent workout after workout.

Step-by-Step Action Plan to Eliminate BO Smell from Clothes

Follow this simple plan for consistently fresh-smelling clothes, especially if you stay active and deal with sweaty gear.

1. Before You Start: Sort your laundry, separating synthetic workout clothes from cotton and delicates to target odor effectively based on fabric type.
2. Day 1: Pre-soak your smelliest items in a mixture of cold water and a cup of white vinegar for at least 30 minutes to break down odor-causing bacteria.
3. Day 1 Washing: Wash clothes with a detergent designed for activewear or enzymes, using the warmest safe water setting, and add an extra rinse cycle to remove residues.
4. After Washing: Air dry clothes outside in direct sunlight whenever possible, as UV rays help eliminate lingering smells and bacteria better than dryers.
5. Day 2: For clothes that still smell, apply a baking soda paste to problem areas before rewashing to neutralize stubborn odors.
6. Ongoing Maintenance: Use a sports-specific detergent regularly for synthetic fabrics and avoid fabric softeners, which trap odors.
7. Daily Habits: Hang sweaty clothes to dry promptly after workouts instead of letting them sit in a pile.
8. Weekly: Treat washing machines with a vinegar rinse to clear out bacteria that can redeposit on your clothing.

Frequently Asked Questions

What Herbs Can Help Reduce Body Odor?

Herbs like sage, rosemary, and mint can reduce body odor by their natural antibacterial properties. You can use them fresh or as a tea rinse before workouts to help slow odor-causing bacteria.

Does Diet Affect Body Odor?

Yes, certain foods like garlic, onions, and spicy dishes can increase body odor. Eating a balanced diet with plenty of water and fresh fruits may help reduce the intensity of BO.

How to Get Rid of Musty Smell?

Musty smells often come from moisture and poor storage; airing out clothes and using baking soda or vinegar in the wash can help. Avoid leaving damp clothes in the hamper to prevent this smell from returning.

What Kills Armpit Odor Fast?

Antibacterial body wipes or sprays can quickly kill odor-causing bacteria on your skin. Washing clothes with a detergent formulated for sportswear also targets armpit oils and bacteria effectively.

Can Using Vinegar in Laundry Remove BO Smell?

Yes, vinegar helps break down odor-causing residues and bacteria in clothes. Add half a cup of white vinegar to the rinse cycle to neutralize smells without damaging fabrics.

Do Shoes Contribute to Body Odor on Clothes?

Yes, smelly shoes harbor bacteria and fungi that can transfer odors to workout clothes. Keeping shoes clean and dry helps reduce the musty smell lingering on your clothes.

Final Thoughts

Persistent body odor in clothes mainly comes from bacteria trapped in synthetic fibers and detergent residues. Tackling these issues with pre-soaks, fabric-appropriate detergents, and proper drying will leave your gear smelling fresh for longer. Start by sorting your laundry by fabric type and pre-soaking your activewear to see significant improvements in odor removal today.