Natural Lye Soap Recipe – How to Make the Best Lye Soap

Are you looking for a natural way to clean your home? Making your own lye soap can be an easy and rewarding experience. The process of making lye soap is relatively simple and only requires a few basic ingredients that are readily available in most grocery stores. In this blog post, we will go through the steps involved in making lye soap, provide tips on how to make perfect lye soap every time, discuss what benefits come with using homemade lye soap and more!

Choosing the Right Ingredients

When making lye soap, it is important to choose the right ingredients. This recipe uses sodium hydroxide (lye) and vegetable oils such as coconut oil or olive oil. It is also possible to use animal fats like tallow or lard. You may need additional ingredients depending on the type of lye soap you would like to make. For example, if you want scented lye soap, you might add essential oils or fragrances. If you are adding exfoliants like oatmeal or pumice, then you’ll need those ingredients too.

Preparing the Ingredients for Soap Making

Once you have gathered all of your ingredients, it is important to prepare them for soap making. First, measure out your sodium hydroxide according to the amount indicated in the recipe. Then, weigh out the appropriate amounts of vegetable oil or other fat you will be using. Measure out any additional ingredients you are adding as well. Once all of your ingredients are measured out, mix them together in a non-reactive container.

The Steps Involved in Making Lye Soap

The next step is to make the actual soap. Start by slowly pouring the lye solution into the fat mixture while stirring continuously. Be sure to wear protective gloves and goggles when handling lye as it can cause severe burns if not handled properly. Continue stirring until the mixture reaches “trace” which means that the liquid has thickened enough so that it leaves a trail when stirred. At this point, you can add colorants or fragrances if desired. Pour the mixture into molds and allow it to sit undisturbed for at least 24 hours.

Storing and Curing Homemade Lye Soap

Once the soap has hardened in its mold, remove it from the mold and cut it into bars if necessary. Place the bars of soap onto a wire rack or tray lined with parchment paper and leave them somewhere cool and dry for several weeks to cure. This curing period allows excess moisture to evaporate and makes for a harder bar of soap that lasts longer in the shower.

Tips for Making the Perfect Lye Soap Every Time

Making lye soap doesn’t have to be intimidating! Here are some helpful tips to keep in mind when making lye soap:

  • Use fresh ingredients – always use freshly made lye and oils/fats that haven’t been exposed to heat or light for best results
  • Always follow safety precautions when working with lye – wear eye protection, long sleeves, and rubber gloves whenever handling lye
  • Make sure there is proper ventilation when making lye soap
  • Don’t forget to insulate your soap molds with newspaper before pouring in the hot liquid soap mixture
  • Stir continuously during trace stage and don’t over stir; otherwise your soap could become crumbly
  • Don’t rush the curing process – allow at least four weeks for your lye soap to fully cure before using it

lye soap recipe

Troubleshooting Common Mistakes When Making Lye Soap

There are some common mistakes people make when trying their hand at lye soap making. Here are some troubleshooting tips if you encounter any issues:

  • Ensure your measurements are correct – check your measurements twice to avoid having too much or too little of each ingredient
  • Keep an eye on temperatures – make sure the temperature of your lye solution does not exceed 100 degrees Fahrenheit; otherwise it could damage your soap batch
  • Be patient – don’t try to speed up the tracing process; this could result in a crumbly texture in your final product
  • Avoid air bubbles – take care not to incorporate any air bubbles into your soap mixture; this could lead to weak spots in your finished bars of soap

What Are the Benefits of Natural Lye Soap?

Natural lye soap offers numerous benefits including being gentle on skin, helping to combat acne and eczema, removing dirt and grime effectively without harsh chemicals, moisturizing dry skin and even providing antiseptic properties due to its high alkalinity. Plus, making your own lye soap is a great way to save money since store bought soaps can be quite expensive.

Alternative Ways to Use Homemade Lye Soap

Lye soap isn’t just limited to body wash; there are many creative ways you can use your homemade lye soap around your home. Some ideas include using it as a laundry detergent booster, cleaning hard surfaces like countertops, dishes and bathrooms, washing fruits and vegetables and more!


Making your own lye soap is both fun and rewarding! By following these steps, you’ll be able to craft beautiful bars of soap that smell amazing and won’t break the bank. Not only is homemade lye soap gentler on sensitive skin but it’s also environmentally friendly due to its lack of harsh chemicals. With a bit of patience and attention to detail, anyone can master the art of making lye soap!

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