Skip to content

How to Wash Baby Bodysuits: The Complete Guide

Feb 12, 2026 By SwaddleAn

How to wash baby bodysuits properly is one of the first practical lessons new parents learn. Becoming a parent is a magical journey, but it comes with mountains of laundry that seem to multiply overnight. A newborn’s skin is incredibly delicate - about 30% thinner than an adult’s - making it highly susceptible to irritation from harsh chemicals and rough fabrics. This means the way you handle their laundry matters, especially for the item they wear 24/7: the bodysuit.

Choosing high-quality, breathable fabrics from the start also makes a difference. Soft, well-constructed pieces like Swaddle AN baby bodysuits are designed to stay gentle on sensitive skin while withstanding frequent washing. When paired with proper care techniques, the right bodysuit will remain comfortable, durable, and safe for everyday wear.

Understanding care labels is the first step to keeping your baby's wardrobe fresh.
Understanding care labels is the first step to keeping your baby's wardrobe fresh.

Key Takeaways

  1. Preparation: Always fasten all snaps before washing to prevent them from snagging on other clothes or damaging the washer drum.
  2. Detergent: Choose a liquid detergent labeled "Free & Clear" (Fragrance-free and Hypoallergenic) to protect sensitive skin.
  3. Stain Removal: Treat poop and milk stains with cold water immediately. Never use hot water first, as it sets protein stains.
  4. Drying: Line dry in the sun or tumble dry on "Low Heat" to prevent cotton and bamboo fabrics from shrinking.
  5. Folding: Use the KonMari or Rolling method to maximize drawer space and visibility.

Why is Washing Bodysuits Different from Regular Laundry?

Before we dive into the steps, it is essential to understand why washing baby clothes requires a different approach than your gym socks or jeans.

Skin Sensitivity

A baby's skin barrier is still developing. Residue from standard detergents, optical brighteners, and synthetic fragrances can trigger eczema or contact dermatitis. Therefore, learning how to wash baby bodysuits isn't just about cleanliness; it's about removing invisible chemical irritants.

Unique Construction

Bodysuits (often called onesies) have specific features:

  • Metal/Plastic Snaps: These are located at the crotch. If left unfastened during a spin cycle, they can act like little flails, damaging other delicate fabrics or getting crushed against the washing machine drum.
  • Envelope Necks: The folds at the shoulders are designed to let you pull the garment down over the body (instead of up over the head) during a blowout. However, incorrect washing can cause this neckline to stretch out, leaving your baby looking disheveled.

Biological Stains

Unlike adult stains (coffee, ink), baby stains are almost exclusively protein-based: breast milk, formula, spit-up, and poop (meconium). These require specific enzymatic treatment to truly care for baby bodysuit fabrics without ruining them.


The 5-Step Guide to Washing Baby Bodysuits Correctly

To ensure your baby's clothes remain hygienic and retain their shape, follow this 5-step protocol whenever you need to know how to wash baby bodysuits.

Step 1: Pre-wash (Immediate Action)

Do not throw a soiled bodysuit directly into the hamper.

  • Solids First: If there is solid waste, knock it off into the toilet and flush.
  • Rinse: Rinse the soiled area under cold running water. Pro Tip: Run the water through the back of the fabric to push the stain out of the fibers, rather than driving it deeper in.

Step 2: Snap & Inside Out (Preparation)

This is the step 90% of parents skip, but it is crucial for longevity.

  • Snap It Up: Take a moment to fasten all the snaps. This prevents the metal parts from banging around and keeps the bodysuit from losing its shape.
  • Turn Inside Out: This protects the cute prints or embroidery from abrasion and reduces pilling on the visible side of the fabric.
Always fasten snaps to prevent them from snagging on other delicate fabrics.
Always fasten snaps to prevent them from snagging on other delicate fabrics.

Step 3: Choose the Right Settings

When determining how to wash baby bodysuits, the wash cycle matters.

  • Cycle: Select "Delicate," "Gentle," or "Hand Wash." These cycles use slower agitation and spin speeds (around 400-600 RPM).
  • Temperature: Use Cool to Warm water (85°F - 100°F). While boiling hot water kills bacteria, it can shrink cotton bodysuits and damage elastic. Warm water is a good balance for sanitation and fabric care.

Step 4: Select the Right Detergent

Use a plant-based, liquid detergent. Look for "Free & Clear" labels.

  • Avoid Fabric Softeners: Never use fabric softener on baby clothes. It coats the fibers in a waxy layer, reducing the fabric's flame resistance and its ability to absorb moisture. It is also a top allergen.

Step 5: Drying

Sun drying is an eco-friendly way to disinfect and naturally bleach out stubborn stains.
Sun drying is an eco-friendly way to disinfect and naturally bleach out stubborn stains.
  • Tumble Dry: Use the "Low Heat" or "Air Fluff" setting. High heat destroys the elastic in the leg openings and causes significant shrinkage.
  • Line Dry: Sunlight is the best option. UV rays are a natural disinfectant and bleach.

Note: Consider using a Mesh Laundry Bag for tiny items like socks and mittens so they don't get eaten by the machine.


How to Handle Stubborn Stains

Knowing how to wash baby bodysuits is easy until you face a "Code Brown." Here is how to remove poop stains from baby clothes effectively.

1. The Blowout (Poop Stains)

The Golden Rule: When treating diaper stains, always use cold water - hot water can set the stain permanently. Rinse thoroughly, then soak in cold water with an enzymatic stain remover or a little dish soap for 30 minutes. Gently scrub and wash as usual. If a faint yellow mark remains, place the damp bodysuit in direct sunlight to naturally fade the stain.

Cold water is the secret weapon against protein-based stains like milk and poop.
Cold water is the secret weapon against protein-based stains like milk and poop.

2. Spit-Up and Milk

Milk stains often look invisible when wet but turn yellow and crusty when dry.

  • Use an Enzymatic Cleaner. Enzymes act like biological scissors, cutting through the protein and fat bonds in the milk. Spray it on and let it sit for 15 minutes before washing.

3. Oil Stains (Diaper Cream/Baby Oil)

  • Sprinkle Cornstarch or Baby Powder on the spot to absorb the grease. Let it sit for 10 minutes, then brush off.
  • Apply a drop of clear dish soap (which cuts grease) to the spot before tossing it in the washer.

Folding & Organizing Baby Bodysuits

Once you have mastered how to wash baby bodysuits, the next challenge is storage. Proper organizing baby clothes saves you time during those 3 AM changes.

The KonMari Method (Vertical Folding)

 The KonMari folding method allows you to see every outfit at a glance.
 The KonMari folding method allows you to see every outfit at a glance.

Learning folding baby clothes konmari style is a game-changer for small nurseries. How to do it:

  1. Lay the bodysuit flat.
  2. Fold the sides (sleeves) in toward the center to make a long rectangle.
  3. Fold the garment in half lengthwise, then fold it again into thirds until it stands up on its own.

The Benefit: You place the folded items upright in the drawer (like file folders). You can see every single print at once without digging through a pile.

The Rolling Method

  • This is ideal for travel or packing a hospital bag.
  • Fold the bodysuit in half vertically and roll tightly from the bottom up. This prevents wrinkles and saves maximum space.

Drawer Organization Tips

  • Use drawer dividers to separate sizes (e.g., Newborn, 0-3M).
  • Group items by type: Short sleeve bodysuits in one row, long sleeves in another.

FAQ: Common Questions About Washing Baby Clothes

Here are answers to the most frequent questions parents ask when learning how to wash baby bodysuits.

Q: Do I really need to wash new clothes before my baby wears them? A: Yes, absolutely. New clothes often contain formaldehyde (to prevent wrinkling in transit) and dust from warehouses. Washing them removes these irritants and softens the fabric.

Q: How often should I wash baby clothes? A: Wash immediately if there is vomit or a diaper leak. If the clothes are just lightly worn, you can wait until you have a full load (every 2-3 days), but don't let soiled clothes sit too long to prevent mold and set-in smells.

Q: Can I use vinegar in the laundry? A: Yes! Distilled white vinegar is a great natural fabric softener. Add 1/4 cup to the rinse cycle to soften fabrics and neutralize odors without artificial chemicals.

Q: Why do my baby's bodysuits look wide and stretched out? A: This usually happens if they are washed in hot water or spun too aggressively. Revisit Step 3 in our guide on how to wash baby bodysuits and ensure you are using the "Delicate" cycle.


Conclusion

Laundry might seem like a chore, but it is actually an act of love. By following these steps on how to wash baby bodysuits, you are not just cleaning fabric; you are protecting your baby's skin and ensuring their comfort. Whether you are battling a blowout or just refreshing the weekly wardrobe, these tips will help keep your baby’s clothes looking brand new.

Ready to organize your nursery? Check out our guide on How to wear baby bodysuit or learn How to Choose the Right Size Bodysuit to ensure the perfect fit for your growing baby.

SWAN Nest

SWAN Nest

Community SWaddleAN

Founded by the brand swaddleAN - a specialist in swaddling blankets and products that support baby sleep, SWAN Net is not just a place to share knowledge but also a home for you to connect, learn, and be inspired.

The Swan Nest

Enter your email to receive exclusive offers and much more!
icon devide