Did you know you can use soy wax in soap recipes? You definitely can, but you have to pay attention to if your soy wax is cosmetic grade. You cannot use unpure cheap wax that is meant for candle making. Look for the name Soybean, fully hydrogenated soy wax when you shop for soy wax for soap.

Soy is a very versatile bean that can be used for making milk, butter, oil, and wax. It is widely used for human and animal foods, is cheap and easy to grow. If you want to make environmentally friendly soap, look for Non-GMO Soy.

Soy Wax is a processed form of soybean oil, and on soap-recipes.com we categorize it as an oil.

What does Soy Wax do for a soap?

Soy wax is a great hardener in homemade soap, and the only tricky thing about it is that it needs to be a little warmer while you work with it. Soy wax has a height percentage of stearic acid in it, and as you may remember from the post about Stearic acid (link), this needs around 130 degrees Fahrenheit (55 degrees C) to stay liquid.

Oils used in this recipe

Here are links on where to buy the oils used in this recipe.
Please support www.Soap-Recipes.com by using our affiliate links to Amazon.com.

We always use essential oils from Piping Rock. These oils are very cheap and of very good quality.

Recipe percentages, lye, and superfat

This information is for advanced soapers. Go to recipe if you are new to soap making.

  • 40% Olive Oil
  • 30% Soy Wax
  • 22% Coconut Oil
  • 8% Castor Oil
  • 27.128% Lye Concentration
  • 38% Water percent of oil weight
  • 3% Superfat
  • 22 oz Total oil weight (424 grams, 1.375 pounds)

Sugar is added for more bubbles in the finished soap

Soap Quality

Soap QualityRangeThis Recipe
Hardness29 – 5454
Cleansing12 – 2215
Conditioning44 – 6943
Bubbly14 – 4622
Creamy16 – 4846
Iodine41 – 7043
INS136 – 165164

Soap Safely!

If you are new to soapmaking, please remember to read our soaping safely guide

Recipe for Soy Wax Soap

Soy Wax Soap

Keyword: body-soap, hand-soap


  • 2 plastic, glass, or steel bowls
  • Wooden or plastic spoon
  • Stick blender
  • Thermometer
  • pH meter or test strips
  • Silicone molds
  • Microwave oven
  • Kitchen scale
  • Safety gear


  • 8.80 OZ Olive Oil 250 grams (0.550 pounds)
  • 6.60 OZ Soy Wax 187 grams (0.412 pounds)
  • 4.84 OZ Coconut Oil 137 grams (0.302 pounds)
  • 1.76 OZ Castor Oil 50 grams (0.110 pounds)
  • 8.36 OZ Water 237 grams (0.522 pounds)
  • 3.11 OZ NaOH 88 grams (0.195 pounds)
  • 1 tsp Sugar


  • Dissolve sugar in the water and ad NaOH to make your Lye
  • Use the cold process method but heat your oils to 130 – 135 degrees F and mix with Lye when it is approx the same temperature.

Soap Fatty Acid Profile


Would you rather try a recipe for beeswax soap? Take a look at this link: 8% Beeswax Soap

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