French Green Clay Soap Recipe

French green clay soap bar with presentation

Basic recipe of handmade natural olive oil soap with french green clay and essential oil of lemongrass. This essential oil, used to cleanse oily skin, combined with green clay and the softness of olive oil, will create a natural handmade soap ideal for purifying and cleaning any type of skin, especially oily skin. With delicious citrusy scent!

French Green Clay: Cleansing and Purifying

The green clay comes from the degradation and decomposition of magmatic rocks of volcanic origin. Among all types, it has the greatest diversity of elements, such as magnesium, calcium, potassium, manganese, phosphorus, zinc, among others. Its coloring is greenish thanks to iron oxide, another substance in which green clay is enriched.

Green clay is naturally rich in minerals and trace elements. It is absorbent, regenerating, soothing and purifying. This universal clay is used in inflammations and for oily and combination skincare. It is ideal as a base for masks, poultices, or body wraps.

It is perfect for all skin types. With the regular use of this green clay an excellent balancing effect is obtained: it stimulates the natural defenses, purifies and cleans the pores and brings back the natural shine of your skin. In addition to being, in itself, a wonderful clay treatment, when mixed with plants and / or essential oils, its benefits are increased on a large scale!

Citrusy and Refreshing Lemongrass Essential Oil

Another star of this soap is the lemongrass essential oil: lemongrass has a sweet lemon scent. It has immense medicinal properties: it is analgesic, anti-depressant, anti-microbial. antipyretic, antiseptic, astringent, bactericidal, deodorant, diuretic, febrifuge, fungicide, insecticide, soothing, sedative and tonic.

Combined with green clay and the softness of olive oil, this natural handmade soap is ideal for purifying and cleaning any type of skin, especially oily skin. Try this basic recipe at home and enjoy!

More Castile (100% Olive Oil) Recipes

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Watch These Videos Before Starting Your Soap Recipe

Homemade Green Clay Soap Recipe

Sofia Matias
Recipe of handmade natural olive oil soap with green clay and essential oil of lemongrass. This essential oil, used to cleanse oily skin, combined with green clay and the softness of olive oil, will create a natural handmade soap ideal for purifying and cleaning any type of skin. Try this basic recipe at home and enjoy!
Difficulty: Easy
Weight: 450 g (15,84 oz)
Superfat: 5%
Lye Concentration: 36%
Prep Time30 minutes
Cook Time40 minutes
0 minutes
Total Time30 days 1 hour 10 minutes
MethodCold Process
ProductSoap Bar
Servings6 soap bars
Cost$5 – $16 / 4€ – 15€


  • Immersion blender
  • Pyrex or stainless steel bowl
  • Heat-resistant jug or pitcher for lye solution
  • Pitcher
  • Digital scale
  • Digital thermometer
  • Measuring spoons
  • Rubber spatula(s)
  • Small strainer
  • Cup / bottle for after trace ingredients
  • Soap mold
  • Safety goggles, gloves and mask


Water Lye

  • 103 g distilled water
  • 58 g lye (100% sodium hydroxide)
  • 1 tsp fine salt / sodium lactate
  • 2 tsp (8ml) french green clay (optional)


  • 450 g extra virgin olive oil

Add After Trace

  • 8 drops grapefruit seed extract (GSE) or rosemary extract (RSO) (anti-oxidant)
  • 14 ml essential oils blend (optional)

Essential Oils Blend

  • 1 tsp essential oil litsea cubeba/may chang
  • 1.5 tsp essential oil lemongrass
  • 0.25 tsp essential oil sweet orange
  • 0.25 tsp essential oil ylang-ylang


Get Ready!

  • Wear goggles and gloves! Look at “Safety Recommendations” in the video above or in How to Make Soap From Scratch
  • Watch the video above about "Cold Process Soap Making tutorial" or read the post  How To Make Soap by Cold Process Step-by-Step for instructions on cold process soap making before starting. These are generic but important steps for all recipes.
  • Assemble everything: ingredients, equipment, safety equipment. Prepare your workstations. Measure all the ingredients. Don’t start the recipe without having everything ready!

Heat the Oils

  • Heat the olive oil to approx. 45ºC

Prepare the Lye Water

  • Make the lye solution according to How To Make Lye Water. Add the sodium lactate and the green clay to the solution. Mix it until the vapors start to dissipate. The solution will take a dark green color.

Make the Soap Batter

  • Use as a target temperature 38ºC for the oil-solution mixture. If necessary, you can reheat the oils, but not the lye solution.
  • Strain the lye water into the oils to catch the clay and any undissolved lye crystals.
  • Reach trace with the immersion blender.
  • Add after trace ingredients: the extract and essential oil (s). Stir with just a spoon.

Molding and Curing

  • Pour the dough into the rectangular molds with a pitcher and sprinkle with alcohol or witch hazel.
  • Let it set for 2 to 7 days, keeping an eye on the hardness of the soap.
  • Unmold and let the bars cure for 6 to 8 weeks. See How To Cure Soap.


Tried this recipe?Let us know how it was!


  1. Learning to make things by one’s self at home is very helpful, reduces cost, and enhances one’s skills. This French Green Clay soap recipe for making one at home seems so nice. Thanks for this educating and instructive article on such a lovely homemade soap recipe. I did enjoy reading this article.

    1. Hello Kelvin thanks for your comment.

      I am glad you liked this recipe. I do like DIY, I am more and more adept of it, as it is a sort of sustainability and eco-friendly attitude if you do it the right way. I was into it already, but this pandemic made me see how deeply dependent we are of things we don’t control… doing my own soap and other natural cosmetics makes me feel less dependent.

      Cheers, Sofia

  2. Aluko kolawole


    Getting to know how to make a soap is interesting, your article is educative and explainatry, the points mentioned on how to make the homemade green clay soap recipe is a good tutorial, the article makes me to know the benefits of the olive oil soap to the body. Thanks for sharing.


    1. Hello Aluko and thanks for your comment.

      Indeed, olive oil soap, best known as Castile soap, is almost unique: it’s very, very conditioning, has low foam, and  it’s very mild. It’s adequate for all skin types, including sensitive ones. It can be used in babies 🙂 

      Give it a try, whether by trying to do this soap at home, or by buying some Castile soap. Your skin will thank you.



  3. as a very creative person that i am, coming across articles like these really feels like a blessing to me, i would definitely make this soap usingt this recipe with my fiancee this weekend and i know shell like this as well. thanks for sharing this amazing recipe here. i really appreciate

    1. Hello Collins and thanks for your nice comment.

      I hope you have fun making your soap at home! 🙂 Let me know how it went afterwards.



  4. 5 stars
    Can we really make soap at home with green clay and olive oil? This is very interesting! Thanks for posting.

    1. Hello and thanks for your comment.

      Yes, it is and it is quite easy. Give it a try!


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