Homemade Coconut Oil Soap Recipe

The second recipe to be presented on this blog will be a homemade coconut oil soap recipe.

Every experienced soap maker know there are two long-standing rules on the manufacture of soaps:

1 – Do not use more than 30% coconut oil in a recipe – it will leave your skin very “dry”

2 – Do not use a percentage of “superfat” (extra oils) greater than 8% to 10% or the soap will become too soft, will make little foam and is susceptible to create the dreaded orange spots (Dreaded Orange Spots), similar to getting rancid.

So what happens when you make soaps with 100% coconut oil and 20% superfat?

The pros of coconut oils and the 20% superfat combine to counteract the negative effects of using a high percentage of coconut oil (which dries the skin) and a high percentage of “superfat” (which makes the soap too soft and “oily”), resulting in a spectacular soap.

The explanation is that coconut oil does not dry the skin, it is just a strong cleansing agent. Cleans the skin so deeply that it completely removes the fatty layer from the skin, leaving it with a dry feeling. But coconut oil alone is moisturizing for the skin. With an extra 20% of coconut oil the dryness effect disappears, resulting in a smooth and skin-friendly soap.

As for becoming rancid due to the high amount of extra oil, coconut oil is very stable and long lasting. On the other hand, coconut oil always produces a very abundant foam, so the negative effects of a high “superfat” are not applicable in this case. Try it at home and enjoy!

NOTE: Coconut oil, although very rare, can cause allergy to anyone who has allergies to nuts. If so, try a little coconut oil on your skin and see if it causes an allergic reaction.

Homemade Coconut Oil Soap Recipe

Homemade basic recipe of a natural soap with a wonderful ingredient: coconut oil, resulting in a super cleansing, smooth and skin-friendly soap.
Superfat: 20%
Lye Concentration: 33%
Prep Time 30 mins
Cook Time 30 mins
Curing Time 30 d
Total Time 30 d 1 hr
Servings 6 soap bars


Lye Water

  • 134 g distilled water low mineral
  • 66 g lye (sodium hydroxide)


  • 450 g refined coconut oil

Add After Trace

  • 8 drops Grapefruit Seed Extract or Rosemary Oleoresin Extract
  • 1/2 to 1 tsp Ultramarine Violet Colorant
  • 14 g Essential Oils 100% Lavender


  • Wear goggles and gloves! Look at “Safety Recommendations” in Part 1 – How to Make Soap From Scratch
  • Follow the post Part 2 – How To Make Soap by Cold Process Step-by-Step and the additional steps listed below. Don’t start the recipe without having everything ready!
  • You will have to melt the coconut oil as it remains in a solid state for a temperature below 24ºC.
  • When the coconut oil is melted (be careful not to overheat), remove a little bit to a small cup, add the dye and stir well to avoid lumps. You can add 1/2 teaspoon for a soft tone and 1 teaspoon for a slightly stronger tone.
  • Now add the oily dye mixture to the remaining coconut oil and stir well
  • Make the lye water solution now. Use as a target temperature 38ºC for the oil-solution mixture. If necessary heat the coconut oil a little.
  • Add the extract and essential oil (s) after trace. Note that lavender essential oil has a tendency to “thicken” the dough, it may become firm or appear to “curdle” very quickly. Use a spoon and avoid the stick blender. It is advisable to pour the dough into the molds as soon as possible.
  • Pour the dough in the molds and let it set for 12 to 18 hours. When they are firm, unmold and let it cure for 4 to 6 weeks.
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