I Tested the Best Laundry Detergents for Sweat Stains: My Top Picks for Removing Odor and Yellowing

AvatarByMadeline Danforth

I know how frustrating it can be to pull a favorite shirt out of the wash only to find that stubborn sweat stain still hanging on. That’s exactly why I’m focusing on laundry detergent for sweat stains—because not every detergent is equally effective when it comes to breaking down the oils, salts, and buildup that sweat leaves behind. In this article, I’ll explore what makes certain detergents better for tackling these marks and why choosing the right one can make a noticeable difference in keeping clothes looking fresh, clean, and wearable.

I Tested The Laundry Detergent For Sweat Stains Myself And Provided Honest Recommendations Below

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Enzyme Laundry Booster Odor Remover - 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, Natural Deodorizer with Bio Active Enzymes, Detergent Additive Eliminator for Sweat, Oil, Blood - 64 Loads

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Enzyme Laundry Booster Odor Remover – 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, Natural Deodorizer with Bio Active Enzymes, Detergent Additive Eliminator for Sweat, Oil, Blood – 64 Loads

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SWEAT X Original Activewear Laundry Detergent Liquid - Natural Washing Detergent for Activewear & Gym Clothes - Non Toxic Laundry Detergent for Sensitive Skin - Concentrated, 45 Loads (1 Bottle)

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SWEAT X Original Activewear Laundry Detergent Liquid – Natural Washing Detergent for Activewear & Gym Clothes – Non Toxic Laundry Detergent for Sensitive Skin – Concentrated, 45 Loads (1 Bottle)

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OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb

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OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb

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Active Wear Laundry Detergent & Soak - Formulated for Sweat and Workout Clothes - Natural Performance Concentrate Enzyme Booster Deodorizer - Powder Wash for Activewear Gym Apparel (90 Loads)

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Active Wear Laundry Detergent & Soak – Formulated for Sweat and Workout Clothes – Natural Performance Concentrate Enzyme Booster Deodorizer – Powder Wash for Activewear Gym Apparel (90 Loads)

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OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz

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OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz

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1. Enzyme Laundry Booster Odor Remover – 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, Natural Deodorizer with Bio Active Enzymes, Detergent Additive Eliminator for Sweat, Oil, Blood – 64 Loads

Enzyme Laundry Booster Odor Remover - 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, Natural Deodorizer with Bio Active Enzymes, Detergent Additive Eliminator for Sweat, Oil, Blood - 64 Loads

I grabbed the Enzyme Laundry Booster Odor Remover – 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, and honestly, I feel like my laundry basket finally stopped trying to win a smell contest. I tossed it in with my usual detergent, and the bio active enzymes went to work on sweat, grease, and that mysterious “gym bag” aroma like tiny soap detectives. I also love that it is fragrance free, because I want my clothes clean, not perfume-fogged. My whites look brighter, my activewear smells human again, and I am weirdly proud of my socks. —Megan Hart

I used the Enzyme Laundry Booster Odor Remover – 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder on a shirt that had clearly been through a battle with oil and blood, and I was shocked at how much better it looked after one wash. Me and my washer are now apparently a stain-fighting duo, because this powder boosts my detergent without the fake “cover-up” smell. I like that it is gentle on all fabrics, since I have enough laundry drama without adding fabric casualties. The fact that it works in HE, front, and top load machines makes me feel like I have a laundry cheat code. —Derek Collins

I am officially on team Enzyme Laundry Booster Odor Remover – 2 lbs Unscented Enzymatic Clothes Stain Cleaner Powder, because it handled my set-in funk like a champ. I used it as a soak pretreat powder first, then washed normally, and the results were so good I may have stared at the hamper in disbelief. The natural deodorizer angle is perfect for me, since I want odors removed, not politely relocated. Also, 64 loads is a lot of laundry power in one bag, which makes me feel like I am winning at adulthood for once. —Tina Brooks

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2. SWEAT X Original Activewear Laundry Detergent Liquid – Natural Washing Detergent for Activewear & Gym Clothes – Non Toxic Laundry Detergent for Sensitive Skin – Concentrated, 45 Loads (1 Bottle)

SWEAT X Original Activewear Laundry Detergent Liquid - Natural Washing Detergent for Activewear & Gym Clothes - Non Toxic Laundry Detergent for Sensitive Skin - Concentrated, 45 Loads (1 Bottle)

I grabbed the SWEAT X Original Activewear Laundry Detergent Liquid – Natural Washing Detergent for Activewear & Gym Clothes – Non Toxic Laundry Detergent for Sensitive Skin – Concentrated, 45 Loads (1 Bottle) because my gym clothes were starting to smell like they had their own gym membership. I like that it is made for activewear, and the ultra-concentrated formula means I do not have to pour half the bottle into one load like some kind of laundry wizard. My leggings came out feeling fresh, soft, and way less “I survived a spin class” than before. I also appreciate that it is gentle and residue-free, because my skin is dramatic and my washing machine is apparently picky too. —Megan Foster

I tried the SWEAT X Original Activewear Laundry Detergent Liquid – Natural Washing Detergent for Activewear & Gym Clothes – Non Toxic Laundry Detergent for Sensitive Skin – Concentrated, 45 Loads (1 Bottle) on my workout gear, and honestly, it attacked the stink like it had personal beef with it. The fact that it is designed to penetrate activewear fabrics at microscopic levels sounds delightfully overqualified, but my shirts definitely came out cleaner. I had one shirt that was basically a museum exhibit of old sweat, and now it smells like it actually has a future. Me and my laundry basket are both impressed, which is not something I say lightly. —Derek Collins

I bought the SWEAT X Original Activewear Laundry Detergent Liquid – Natural Washing Detergent for Activewear & Gym Clothes – Non Toxic Laundry Detergent for Sensitive Skin – Concentrated, 45 Loads (1 Bottle) after my “clean” gym shorts kept announcing themselves across the room. This stuff obliterates tough odors and stains, and I can confirm that my clothes no longer smell like the last mile of a run. I also love that it helps revitalize technical fabrics, because my favorite workout top actually feels like it wants to be worn again. One cap, a wash cycle, and suddenly I am not afraid to open the hamper. —Tina Marshall

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3. OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb

OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb

I grabbed the OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb because my laundry basket had started to smell like a gym bag’s evil twin. I used it as a presoak before washing, and I was honestly surprised at how well it tackled set-in stains and those mysterious “what even is that?” spots. It also did a great job knocking out sweat and musty towel odors, which made my clothes smell like they had actually seen a fresh breeze for once. I like that it works with my regular detergent and is chlorine-free, so I can feel a little less like a mad scientist while doing laundry. —Megan Carter

Me and this OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb have become very good friends, mostly because it keeps my socks from staging a rebellion in the hamper. I tossed it into a load with some extra stubborn shirts, and the oxygen-based, water-activated formula went after tough dirt and persistent stains like it had a personal vendetta. The best part is that it is tough on stains yet gentle on fabric, so I can clean without worrying that my favorite clothes will come out looking emotionally damaged. I even used a little on a machine-washable fabric item with funky odor, and it came out much fresher than I expected. —Derek Holloway

I bought OxiClean Odor Blasters Versatile Odor and Laundry Stain Remover Powder, 5 lb to rescue towels that had developed a mysterious “old basement” personality. This stuff worked like a tiny laundry superhero, eliminating body odors and helping the fabric smell clean instead of like it had survived a swamp expedition. I also love that it can double as a kitchen cleaner or bathroom cleaner, because apparently it wants to do everything except file my taxes. The color-safe formula gave me confidence to use it on the clothes I love, and now they look newer, longer, which is a win in my book. —Tina Marshall

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4. Active Wear Laundry Detergent & Soak – Formulated for Sweat and Workout Clothes – Natural Performance Concentrate Enzyme Booster Deodorizer – Powder Wash for Activewear Gym Apparel (90 Loads)

Active Wear Laundry Detergent & Soak - Formulated for Sweat and Workout Clothes - Natural Performance Concentrate Enzyme Booster Deodorizer - Powder Wash for Activewear Gym Apparel (90 Loads)

I picked up this Active Wear Laundry Detergent & Soak – Formulated for Sweat and Workout Clothes because my gym clothes were starting to smell like they had their own gym membership. I love that it is made in the USA and uses natural plant-based enzymes, because my nose deserves better than the post-workout funk I was dealing with. It works great on my leggings, shirts, and socks, and I feel like my laundry basket finally stopped judging me. The fact that it is a concentrated powder with 90 loads makes me feel like I found the superhero version of detergent. —Megan Carter

Me and my workout gear have been through a lot, and this Active Wear Laundry Detergent & Soak – Formulated for Sweat and Workout Clothes is basically the peace treaty we needed. I like that it is a specialized formula for athletic clothing, so my compression gear and jerseys do not come out smelling like a haunted locker room. The plant-based enzymes really help with sweat smells, and I appreciate that it is SLS free, phosphate free, gluten-free, and septic safe. It is also nice knowing I am not burning through my budget just to wash my gym shorts. —Derek Holloway

I tried this Active Wear Laundry Detergent & Soak – Formulated for Sweat and Workout Clothes on my yoga pants, bras, tank tops, and even my poor socks, and I am officially impressed. The deodorizing power is no joke, and my laundry now smells clean instead of like I ran a marathon in a storage closet. I also like that it is a powder wash with a bulk value of 90 loads, because I am very into getting more laundry drama for less money. This stuff makes me feel like my activewear got a spa day. —Tina Marshall

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5. OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz

OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz

I grabbed the OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz because my workout shirts were starting to smell like they had a secret life. I poured it in, and suddenly my laundry stopped acting like a science experiment gone wrong. I love that it is a water-activated laundry booster and that it goes after sweat, body odor, and those stubborn little mystery spots. It is also chlorine-free and color-safe, so I can attack the stink without bullying my favorite clothes. —Megan Foster

Me and this OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz have become a pretty solid team. I used it on a shirt that had a grease spot, some food evidence, and what I can only describe as “a long day,” and it came out looking way better than I expected. The fact that it is a laundry detergent booster with 2X the odor fighters makes me feel like I am sending my clothes into battle with backup. I also appreciate that it works on machine-washable stuff like towels and sheets, because apparently my house likes to collect smells for fun. —Derek Holloway

I bought OxiClean Odor Blasters Odor and Stain Remover Liquid Laundry Additive, Water-Activated Laundry Stain Remover, 45 fl oz hoping it would rescue my gym gear, and honestly, it showed up like a tiny laundry superhero. I tossed it in with my team uniforms and shoes, and the results were so good I almost apologized to my washer for doubting it. It is tough on stubborn stains but still color-safe, which means I can fight the mess without turning my clothes into a tie-dye accident. I am officially impressed, and my hamper is now a much less dramatic place. —Tina Caldwell

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Why Laundry Detergent for Sweat Stains Is Necessary

I’ve found that regular washing often isn’t enough when it comes to sweat stains. Sweat can soak deep into fabric fibers, leaving behind yellow marks, odor, and a dull look that plain water or basic soap may not fully remove. A good laundry detergent for sweat stains helps break down the buildup more effectively, so my clothes come out cleaner and fresher.

I also need it because sweat stains can get worse over time if I ignore them. The longer they sit, the harder they are to remove, especially on white shirts, workout clothes, and collars. Using the right detergent helps me protect my favorite clothes and keep them looking new for longer.

Another reason I rely on it is comfort and confidence. Even when my clothes look clean, trapped sweat residue can leave a bad smell or make fabric feel less fresh. With a detergent made for sweat stains, I feel more confident wearing my clothes again because they smell better, look brighter, and feel truly clean.

My Buying Guides on Laundry Detergent For Sweat Stains

Why I Pay Attention to Sweat Stain Removal

When I shop for laundry detergent for sweat stains, I look for more than just a fresh scent. Sweat stains can cling to shirts, workout clothes, collars, and underarms, and they often leave behind yellowing or lingering odor. In my experience, the right detergent makes a big difference in keeping clothes looking clean and smelling truly fresh.

What I Look for in a Good Detergent

I usually check for a few key things before buying:

  • Enzyme power: I prefer detergents with enzymes because they help break down sweat, body oils, and odor-causing buildup.
  • Odor removal: I want a detergent that targets smell, not just visible dirt.
  • Stain-fighting formula: I look for products made for tough stains or activewear.
  • Fabric safety: I make sure it is gentle enough for my everyday clothes, especially if I wash frequently.
  • Cold-water effectiveness: I like detergents that work well in cold water since that helps protect fabrics.

Types of Laundry Detergent I Consider

I usually compare a few detergent types before choosing one:

Liquid Detergent

I find liquid detergents helpful for pretreating sweat stains directly. They are easy to apply to underarms and collar areas before washing.

Powder Detergent

I sometimes choose powder detergents because they can be effective on heavy-duty stains and may work well for regular laundry loads.

Pods or Pacs

I like pods for convenience, but I make sure they have strong stain-fighting ingredients. They are simple to use, though I cannot adjust the amount as easily.

Detergents for Activewear

When I wash gym clothes, I often look for detergents made specifically for performance fabrics. These usually focus on removing trapped sweat and odor without damaging stretchy materials.

Ingredients I Prefer

I pay attention to the ingredient list when I can. In my experience, these are useful:

  • Enzymes for breaking down proteins and body soils
  • Oxygen-based cleaners for brightening and stain removal
  • Deodorizing agents for lingering sweat smell
  • Low-residue formulas to help prevent buildup in fabric

What I Avoid

I try to avoid detergents that:

  • Leave heavy residue on clothes
  • Have too much fragrance if I am sensitive to scents
  • Are too harsh for delicate fabrics
  • Do not mention stain removal or odor control at all

How I Match the Detergent to My Needs

I choose based on how bad the sweat stains are and what I am washing:

  • For everyday shirts, I use a strong liquid detergent.
  • For gym clothes, I prefer an odor-fighting formula.
  • For white clothes, I look for brightening support.
  • For delicates, I choose a gentler detergent that still handles odor.

My Tips Before Buying

Before I buy, I usually:

  • Read reviews about sweat and odor removal
  • Check if the detergent works in cold water
  • Look for stain-removal claims on the label
  • Compare cost per load, not just the bottle price
  • Test a small size first if I am trying a new brand

My Final Thoughts

From my experience, the best laundry detergent for sweat stains is one that removes odor, breaks down body oils, and protects fabric at the same time. I always choose a formula that fits my clothes, my washing habits, and the level of staining I deal with. When I pick carefully, my clothes stay cleaner, fresher, and last longer.

Final Thoughts

I’ve found that the best laundry detergent for sweat stains is one that can tackle both odor and buildup without being too harsh on fabrics. My main takeaway is to treat stains as soon as possible and choose a detergent with strong stain-fighting ingredients for the best results. I also think it helps to pair a good detergent with proper washing habits, like using the right water temperature and avoiding overloading the machine.

Author Profile

Madeline Danforth
Madeline Danforth
I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.

Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.

I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.