Washing a waterproof mattress protector correctly involves using gentle detergents, washing it in cold or warm water, and avoiding bleach or fabric softeners. Drying it on a low heat setting or air drying is crucial to maintaining its waterproof properties.
Understanding Waterproof Mattress Protectors
A waterproof mattress protector is an essential bedding accessory designed to shield your mattress from spills, stains, and allergens. It usually comprises two key layers: a soft, absorbent top layer and a waterproof bottom layer made of vinyl, polyurethane, or a similar material. This combination keeps your mattress dry and extends its lifespan.
Importance of Regular Cleaning
Regular cleaning of your mattress protector is essential to maintain its protective qualities and to ensure a healthy sleeping environment. Dust mites, sweat, and other allergens can accumulate over time, even on a waterproof surface. Regular washing can help eliminate these contaminants, promoting better sleep hygiene.
Our Top 5 Mattress Picks
Updated September 2026EGOHOME 8-Inch Green Tea Memory Foam Mattress, Full, Medium Firm
Best for most bedrooms. A medium-firm green tea memory foam mattress with a cooling gel layer, delivered rolled in a box.
- Full size, 8 in
- Medium firm
- Cooling green tea gel
- CertiPUR-US, fiberglass free
OhGeni Queen Air Mattress with Built-in Pump, 18-Inch Raised
Best for guests and camping. Inflates in about three minutes with the built-in pump and sits 18 inches off the floor, so it feels like a real bed.
- Queen, 18 in raised
- Built-in pump
- 800 lb capacity
- Waterproof PVC
Novilla 6-Inch Gel Memory Foam Mattress, Twin
Best budget twin. A slim gel memory foam twin that suits kids' rooms, bunk beds and trundles where a thick mattress won't fit.
- Twin, 6 in
- Gel memory foam
- Cooling
- CertiPUR-US
Zinus 8-Inch Green Tea Memory Foam Mattress, Twin
Best-known brand. Zinus's long-running green tea foam design in twin size, with both CertiPUR-US and OEKO-TEX certified materials.
- Twin, 8 in
- Green tea memory foam
- CertiPUR-US & OEKO-TEX
GAESTE 8-Inch Cooling Gel Memory Foam Mattress, Full, Medium Feel
Best for hot sleepers. Cooling gel memory foam with a medium feel, plus a machine-washable, anti-slip cover you can actually clean.
- Full size, 8 in
- Medium feel
- Cooling gel foam
- Washable cover
- Fiberglass free
Step-by-Step Washing Guide
Preparation
Before you start the washing process, always check the care label on your mattress protector. Different brands may recommend specific washing instructions. Typically, most waterproof mattress protectors can be machine washed, but following the manufacturer’s guidelines ensures you don’t void any warranties or damage the protector.
Choosing the Right Detergent
Opt for a gentle, mild detergent free from harsh chemicals, dyes, or fragrances. Harsh chemicals can deteriorate the waterproof membrane, compromising its effectiveness. Mild detergents help preserve the integrity of both the fabric and the waterproof layer.
Washing Process
Machine Washing
When machine washing your waterproof mattress protector, use cold or warm water. Hot water can degrade the waterproofing layer over time. Set your washing machine to a gentle or delicate cycle to minimize wear and tear on the fabric.
Hand Washing
If your mattress protector is particularly delicate or if you simply prefer hand washing, you can fill a large basin or bathtub with cold or lukewarm water. Mix in a small amount of mild detergent and gently agitate the water with your hands to create suds. Submerge the protector and gently rub the fabric together to remove dirt and stains. Avoid scrubbing vigorously, as this can damage the protector.
Additional Considerations During Washing
Avoiding Bleach and Fabric Softeners
Bleach and fabric softeners should be avoided when washing your waterproof mattress protector. Bleach can break down the fibers and the waterproof membrane, while fabric softeners leave residues that can affect the absorbency and breathability of the fabric. Instead, stick to a gentle detergent to keep your protector in good shape.
Rinse Thoroughly
Ensure that you rinse the mattress protector thoroughly to remove all traces of detergent. Detergent residue can cause skin irritations and may also reduce the effectiveness of the waterproof layer. If you’re using a washing machine, run an extra rinse cycle if needed. For hand washing, rinse the protector under cool running water until the water runs clear and free of suds.
Drying Guide
Air Drying
Air drying is the safest method for drying a waterproof mattress protector. After washing, gently squeeze out the excess water (do not wring or twist, as this can damage the fabric). Lay the protector flat on a clean, dry surface, such as a clothesline or drying rack, in a well-ventilated area. Avoid direct sunlight, as prolonged exposure to UV rays can deteriorate the fabric and waterproof coating.
Machine Drying
If you prefer to use a dryer, set your machine to a low or tumble dry setting. High heat can damage the waterproof layer, rendering it ineffective. Adding a few clean, dry towels to the dryer can help to absorb moisture and speed up the drying process. Check the protector periodically to ensure it doesn’t overheat, and remove it from the dryer when it’s slightly damp to finish air drying.
Drying Tips
It’s essential to ensure that the mattress protector is thoroughly dry before using it again. Any remaining moisture can promote mold or mildew growth. If the protector feels damp or cool to the touch, allow it more drying time to ensure it’s completely dry.
Maintaining Your Waterproof Mattress Protector
Regular Cleaning Schedule
Create a regular cleaning schedule for your mattress protector. Washing it every one to two months is generally sufficient, but if you have allergies, pets, or frequent spills, you may need to wash it more often. Keeping a consistent cleaning routine helps maintain the protector’s appearance and functionality.
Handling Stains
If you encounter stains on your waterproof mattress protector, treat them as soon as possible to prevent them from setting. Lightly blot the stain with a solution of water and mild detergent, then rinse thoroughly. Avoid using bleach or harsh stain removers, as these can damage the waterproof layer and fabric.
Storage Tips
If you need to store your waterproof mattress protector for any length of time, ensure it’s clean and completely dry before folding it neatly. Store it in a cool, dry place to prevent moisture buildup and potential mold or mildew growth. Keeping it in an airtight storage bag can provide additional protection against dust and pests.
Why Proper Care Matters
Extending the Lifespan
Proper care and maintenance of your waterproof mattress protector can significantly extend its lifespan. Following the manufacturer’s washing and drying instructions helps preserve its waterproof properties and ensures it continues to provide effective protection for your mattress.
Maintaining Mattress Quality
By keeping your mattress protector clean and in good condition, you also help maintain the overall quality and longevity of your mattress. The protector acts as a barrier against spills, stains, and allergens, minimizing damage to your mattress and prolonging its use.
Finishing Thoughts
Washing your waterproof mattress protector correctly is essential to ensure it continues to perform its protective duties effectively. Using mild detergents, cold or warm water, and gentle washing cycles can preserve the fabric and waterproof layer. Avoiding harsh chemicals and allowing the protector to air dry or using low heat settings for machine drying are key steps. Regular cleaning and proper care can extend the protector’s lifespan, maintain your mattress’s quality, and contribute to a healthier sleep environment. So, always remember these practices when maintaining your waterproof mattress protector for ongoing protection and comfort.
