How to Lanolize Wool Diaper Covers

If you’re looking for an easy and natural way to restore your wool diaper covers, lanolizing them is the perfect solution! Lanolizing wool is a simple process that protects against moisture while making sure your diapers stay soft and breathable.

How to Lanolize Wool Diaper Covers

By the end of this post, you’ll have all the knowledge you need to safely and effectively how to lanolize wool diaper covers with confidence. Not only will it keep their shape and condition longer, but it’s also a great way to get more use out of them before having to buy new ones—saving you time and money in the long run! Read on to discover detailed steps on how to make these classic skivvies as good as new!

What is Lanolizing?

Lanolizing is the process of using lanolin, a natural oil derived from sheep’s wool, to waterproof and condition wool fabric. It’s a traditional technique used to protect garments such as hats and coats, but it can also be used for diaper covers! 

Lanolin helps make your diapers more water-resistant by forming an invisible layer between the fibers, making them easier to clean and less prone to absorbing moisture. It is a safe, non-toxic, and natural way to increase the life of your diapers.

Why Lanolize?

Apart from the obvious benefits of increasing water resistance and overall longevity, lanolizing wool diaper covers can help make them more comfortable for your baby’s delicate skin. It can also help keep bacteria at bay and reduce odors, making it a great option for any family who wants to go green with their diapering routine!

Comfortable for Your Baby’s Delicate Skin

Materials Needed

  • Wool diaper cover of choice
  • Lanolin oil
  • Towel or washcloth
  • Basin filled with hot water (not boiling)

7 Steps on How to Lanolize Wool Diaper Covers

Step 1: Fill the Basin

Start by filling a basin with hot (not boiling) water and adding lanolin oil according to the manufacturer’s instructions. Hot water will help the lanolin dissolve quickly into the water, creating a soothing bath for your wool covers.

Step 2: Submerge Wool Diaper Covers

Once the basin is ready, submerge your wool diaper cover into the warm lanolizing solution and let it soak for at least 30 minutes. You can gently press down on the fabric and move it around to ensure that the lanolin coats all of the fibers.

Step 3: Rinse with Clean Water

Once your wool diaper cover has finished soaking, rinse it in clean water until all traces of lanolin are gone. Make sure to use a gentle soap if needed, but avoid any fabric softeners or bleach that can damage the fibers.

Step 4: Squeeze Out Excess Water

After rinsing, take your wool diaper cover out of the basin and gently squeeze out any excess water with a towel or washcloth. Avoid wringing it out, as this can cause the fabric to stretch and ruin its shape.

Step 5: Lay Flat to Dry

Once you’ve squeezed out the excess water, lay your wool diaper cover on a flat surface and allow it to air dry completely. Avoid drying it in direct sunlight or with any heat sources as this can cause discoloration and damage to the fibers.

Step 6: Repeat As Needed

Once your wool diaper cover is dry, you can repeat the lanolizing process as needed. How often this needs to be done depends on how often you use them and how often they are washed. You may need to do it more or less frequently depending on these factors.

Step 7: Store in a Dry Place

Once your wool diaper covers are lanolized and clean, store them in a dry place away from direct sunlight. This will help keep them in great condition for longer and minimize any additional wear or tear.

And that’s it! With just a few simple steps, you can now lanolize your wool diaper covers with confidence. Not only will it keep their shape and condition longer, but it’s also a great way to get more use out of them before having to buy new ones—saving you time and money in the long run!

Store Them in a Dry

8 Safety Precautions

  1. Wear protective clothing such as gloves and goggles when handling lanolin. Protective clothing helps to reduce the risk of skin irritation or exposure.
  2. Wear a mask when handling lanolin powder, as it may be harmful if inhaled. The mask helps to reduce the risk of inhaling any airborne particles.
  3. Work in a well-ventilated room, preferably without carpeting or other absorbent surfaces, as lanolin is flammable and can easily ignite when exposed to heat sources such as sparks from electrical appliances.
  4. Read all product instructions carefully before using lanolin, and follow the manufacturer’s safety instructions closely. The instructions may contain important safety information.
  5. Test lanolin on a small area of the fabric before using it to ensure that any color or texture changes do not occur. Lanolized wool diaper covers are more prone to fading if they are exposed to light and heat sources, so this step is especially important if the covers will be used outdoors.
  6. Keep the lanolin away from children and pets at all times, as it can be harmful if ingested. Otherwise, it is recommended to store lanolin in a cool, dry place. Then, it can be used safely and effectively when needed.
  7. Dispose of lanolin and lanolized wool diaper covers properly, as both materials can be harmful to the environment if not disposed of correctly. If disposed of in the landfill, it is important to wrap these items securely in plastic before disposal.
  8. Seek medical advice immediately if you experience any adverse health effects after using lanolin. If a reaction occurs, stop using the product and get medical help right away.
Wear a mask when handling lanolin powder

Following these safety precautions can help to ensure that you are safely and effectively lanolizing wool diaper covers. It is also important to research different methods of lanolizing wool diaper covers before attempting the process. Doing so can help to reduce the risk of any safety concerns when working with lanolin.

5 Maintenance Tips

  1. Start with a clean wool diaper cover. Before you begin lanolizing, it is important to make sure that the wool diaper cover is free from any residues or debris. If possible, machine washes your wool covers and then allow them to air dry before beginning the lanolin process.
  2. Choose a natural lanolin product. There are many products on the market that are specifically made for lanolizing wool diaper covers. Make sure to choose one that is all-natural and free from chemicals, fragrances, or dyes.
  3. Follow the directions for your chosen product carefully. Different lanolin products may have different instructions for use, and you want to make sure you are following them correctly.
  4. Allow your wool cover to dry completely before using it on your baby. This will help ensure that the lanolin has been absorbed properly and won’t cause any irritation to your baby’s skin. It will also help prolong the life of your cover by preventing any lanolin from wearing off and staining your baby’s clothing.
  5. Make sure to lanolize regularly. How often you need to lanolize will depend on how often you use your wool diaper covers, so make sure to check with your product directions for an indication of how often to repeat the process. Generally, lanolizing your covers a few times per month should be plenty. With proper care and maintenance, you can keep your wool diaper covers looking great and use them for years to come!
Allow Them to Air Dry

By following these simple tips, you can ensure that your wool diaper cover stays in good condition and provides maximum comfort for your baby. Lanolizing your wool diaper covers can be an easy and rewarding process that will help keep them looking great for many years to come.

How Much Will It Cost?

The cost of lanolizing wool diaper covers will vary depending on the product you choose, but it should generally be quite affordable. Most natural lanolin products range in price between $5 and $15 USD per jar, so depending on the frequency with which you need to repeat the process, your overall costs can stay relatively low.  In addition, the savings you gain from using wool diaper covers can quickly offset any costs associated with lanolizing them.


In summary, lanolizing wool diaper covers can provide superior protection and absorbency while also being gentle on the baby’s skin. There are several approaches you can use to ensure your diaper covers are functioning at their best; the most common is to pre-treat with a lanolin-based product and then launder once a week in cold water. Pre-treating with natural lanolin such as Eco Sprout, is highly recommended for optimal coverage.

You can also add several drops of liquid soap to your wash cycle for extra cleaning power and conditioning benefits. Whichever method you choose, just remember that caring for your wool diaper covers has many advantages and can prolong the life of these wonderful eco-friendly cloth diapers. Doing the few extra steps needed in taking care of your wool diaper covers will be well worth it when you see how soft, clean, and absorbent they remain after repeated uses. Follow the guide on how to lanolize wool diaper covers to have a smooth going.

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Loren Jones

Hi, my name is Loren. I live with my husband and 4 lovely kiddos in the Eastern part of San-fransisco. I have a smart beautiful,curious 6 year old daughter, a handsome 11-year-old son, an intelligent and tech geek 15 years old son and a creative, artistic 12-year-old stepson. With each of my kids being five years apart, I feel that I’m now continually phasing in and out of each stage of parenting! I’ve learned a lot about the way children learn and behave, especially in a school setting with regards to curriculum. I enjoy sharing that insight through my writing and hope that it can help others.

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