If your towels still smell like mildew after washing, it’s usually because moisture or residue remains trapped in the fabric. This creates an environment where mildew and bacteria can grow, causing that persistent musty odor. You can remove this smell safely and effectively using common household ingredients like vinegar, baking soda, or bleach (for whites). Plus, by adjusting how you wash, dry, and store your towels, you can prevent the smell from coming back.
Why do my towels smell like mildew even after washing?
Towels develop mildew smell mainly because they stay damp or have detergent buildup that isn’t fully rinsed out. Even after washing, if towels don’t dry completely, moisture lingers long enough for mildew and bacteria to grow, causing a musty odor. Using too much detergent or fabric softener can leave a layer on the fibers that traps moisture and odors. Overloading the washing machine also stops towels from rinsing and spinning properly, so grime and moisture remain. Finally, towels that are folded or crumpled while still damp provide the perfect environment for mildew to thrive, which keeps the smell around.
What’s the safest way to remove mildew smell from towels?
You can eliminate mildew smell with natural or chemical methods depending on your preference and towel type. Here are proven approaches:
- White Vinegar Wash
- Add 2 cups of white vinegar directly into the washing machine drum (not the detergent dispenser).
- Wash towels on the hottest water setting safe for the fabric without detergent.
- Baking Soda Boost
- After the vinegar wash, run a second cycle.
- Add 1/2 cup baking soda along with your regular detergent.
- Use warm or hot water according to the towel’s care instructions.
- Bleach Treatment (white towels only)
- Use 1/4 cup chlorine bleach in the bleach dispenser.
- Wash towels separately in hot water.
- Follow with an extra rinse cycle to remove all bleach.
Avoid fabric softener as it coats fibers and traps moisture, worsening odors. Running these washes separately with thorough rinsing breaks down residues and kills mildew-causing microbes.
How can I make sure the mildew smell is gone after washing?
Check towels for mildew smell when they’re still damp, right after washing. If you detect any mustiness, repeat the vinegar or baking soda wash. Stubborn odors sometimes need a second treatment.
If the smell remains after multiple washes, mildew might have deeply penetrated the fibers. Soak towels overnight in hot water mixed with 1 cup white vinegar per gallon before washing again. Always dry towels completely after treatment.
If towels smell fresh coming out of the wash but develop mildew odor quickly afterward, the problem is likely in drying or storage, not washing. Focus on improving those habits next.
What drying and storage habits prevent mildew smell from coming back?
Proper drying and storage are key to stopping mildew smells from returning:
- Dry towels completely before folding or storing. Use a hot dryer cycle or hang them outside in direct sunlight.
- Don’t leave towels damp in the washer or laundry basket. Move them promptly to the dryer or drying rack.
- When air-drying, spread towels out fully rather than folding or bunching them to allow air circulation.
- Store towels in a dry, well-ventilated area. Avoid humid bathrooms or cramped closets where moisture builds up.
- Use moisture absorbers or dehumidifiers in storage spaces prone to dampness.
These steps reduce the moisture mildew needs to grow and keep towels smelling fresh longer.
What common mistakes keep mildew odors trapped in towels?
Several mistakes can keep mildew odors in towels even after washing:
- Overloading the washing machine, which stops towels from rinsing and spinning well, leaving moisture and detergent residue.
- Using too much detergent or fabric softener, which coats fibers and traps odors and moisture.
- Not washing towels often enough, letting sweat and dirt build up.
- Leaving towels in the washer too long after the cycle ends, allowing mildew to develop in damp fabric.
- Drying towels inadequately or folding them while still damp, encouraging mildew growth.
Avoiding these errors will improve how well your washing and drying remove mildew smell.
Conclusion
Removing mildew smell from towels requires breaking down the residues and microbes causing odor, using vinegar, baking soda, or bleach carefully. Afterward, thorough drying and proper storage are essential to keep mildew from returning. Paying attention to how you wash, dry, and store your towels will help you maintain freshness and avoid that stubborn musty smell.
Frequently Asked Questions
Can I use bleach on colored towels to remove mildew smell?
Bleach can fade or weaken colored towels, so it’s best to avoid it on colors. Instead, use vinegar and baking soda methods to remove mildew smell from colored towels.
Why does fabric softener make mildew smell worse on towels?
Fabric softeners leave a coating on towel fibers that traps moisture and dirt, creating a favorable environment for mildew and odors. Skipping fabric softener keeps towels more absorbent and fresher.
How often should I wash towels to prevent mildew smells?
It’s generally recommended to wash towels after 3 to 4 uses to prevent buildup of sweat, dirt, and moisture that can cause mildew odors.