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How to sanitize reusable face mask: Step-by-Step

Reviewed by Zac Kieffer

Updated: September 16, 2025

Learn how to easily sanitize your reusable face mask with E-Cloth for a simple, effective clean—no harsh chemicals needed.

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How to sanitize reusable face mask: Step-by-Step

Tools:

E-Cloth
Laundry detergent
Warm water
Washing machine or basin
Dryer or access to direct sunlight

Prepare the Mask

Give the mask a once-over to remove any loose dirt or debris.
Check the care tag for any specific washing instructions.

Clean by Washing

Wash the mask using detergent and warm water (aim for at least 60°C/140°F if the fabric allows).
If you prefer a machine wash, use the hottest cycle available; for hand washing, scrub thoroughly to get into all fabric layers.
Make sure you work the soap into the mask well to break down oils and germs.

Rinse and Dry Thoroughly

Rinse completely to wipe out detergent residue—leftover soap can irritate your skin.
Dry the mask on high heat in a dryer if the fabric permits, or air dry in direct sunlight until it’s completely dry.
Never reuse a damp mask, as moisture helps bacteria thrive.

Precautions:

Handle with Clean Hands

Precaution: Ensure your hands are thoroughly washed before touching the mask to avoid contamination.

Avoid Using Harsh Chemicals

Precaution: Refrain from using bleach or strong detergents that could degrade the mask material.

Check Manufacturer Instructions

Precaution: Follow the care guidelines provided by the mask maker to prevent inadvertent damage.

Avoid High-Temperature Exposure

Precaution: Do not use excessively hot water or drying methods that may warp or weaken the mask.

Ensure Complete Drying

Precaution: Let the mask dry fully before reuse to prevent bacterial growth in moist environments.

Inspect for Damage

Precaution: Regularly check the mask for signs of wear or deterioration and discard if compromised.

Minimize Repeated Sanitization

Precaution: Excessive washing can wear out the mask faster; sanitize only as recommended to maintain its integrity.

How to Correctly Sanitize The Reusable face mask: Extra Tips

Soak and Wash Thoroughly

Pre-soak your mask in warm water with a few drops of mild detergent to loosen dirt and oils.
Gently agitate the fabric by hand, ensuring all areas, including straps, are fully immersed and cleaned.
Avoid harsh scrubbing which can damage the mask’s material.

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Use the Right Sanitizer

After washing, sanitize the mask by using a diluted solution of at least 70% alcohol or another sanitizer safe for fabrics.
Ensure the sanitizer covers all surfaces of the mask for complete microbial control.
Avoid using bleach on fabrics that could be damaged by it.

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Proper Rinse and Dry

Rinse the mask thoroughly under clean, warm water to remove any soap or sanitizer residue.
Shake off excess water and gently press the mask between two clean towels.
Allow the mask to air dry completely in a well-ventilated area before the next use.

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Extra Disinfection Step

For an added layer of cleanliness, consider using a steam treatment if your mask material allows it.
Hold the mask over a steaming pot (without direct contact) or use a handheld steamer to infuse heat.
This extra step can help reach areas that typical washing might miss.

Common Mistakes When Sanitizing Reusable face mask

Not Washing Masks Thoroughly

Failing to remove all residue by using too little soap or not scrubbing enough.
Neglecting to rinse the mask completely, leaving behind particles that can harbor germs.

Using Excessively Hot Water or High Heat Drying

Hot water can break down fabric fibers, reducing the mask’s protective quality.
High heat during drying may warp or shrink the mask, compromising its fit.

Mixing Harsh Chemicals or Cleaning Products

Combining cleaning agents can create harmful residues that damage the mask material.
Using strong chemicals like bleach may weaken the mask by breaking down its fibers.

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How Often to Sanitize Reusable face mask

Sanitize After Each Use

If you wear your reusable face mask in public or crowded areas, sanitize it immediately after each use to reduce exposure to germs and unwanted particles.
Even if the mask looks clean, moisture from your breath creates a hospitable environment for bacteria and viruses, so do not wait until it appears dirty.

Daily Sanitization for Consistent Protection

At a minimum, sanitize your mask at the end of each day, especially if you’ve worn it more than once or used it for extended periods.
This routine reduces the risk of contaminant build-up and helps maintain the mask’s integrity over time, ensuring it continues to protect you effectively.
If you’re involved in high-risk activities or environments, consider sanitizing between uses even within the same day.

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No streaks with just water

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Can smear dirt around

Reduces chemicals & waste, reusable

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