A Fabulously Rustic French Green Clay Soap Recipe

My best homemade HP soap recipe with clay
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So we have another soap recipe for you this week and we’re doing another hot process, but this time we’re adding an interesting ingredient I had never used in soap before; French green clay! It gives this soap a gorgeous rustic look, with interesting cracks and a cool texture.

I’m just loving this French Green Clay Soap recipe right now, and I think it’s simply because unlike a cold process recipe you can use it almost immediately. I’m an impatient lady, I just can’t stand waiting weeks for my soaps to cure. But it could also be because I’m really getting the hang of it now, to the point where I’m finding it no more difficult than cold process.

  • So as I said, we’ll be making use of clay in this hot process soap recipe. I absolutely love to experiment, and I’ve found that adding clay can make soap feel so much silkier. I love how it feels on the skin, and it’s definitely worth a try. It adds that bit of wow to make this soap even more luxurious.
  • I’ve opted to use a butter alongside my oils for this recipe. Shea Butter is possibly the best butter you can buy, and is super hydrating and skin softening. I’ve made use of coconut oil and castor oil again, just because I love to use them for all their amazing protective properties.
  • I’ve also made use of some refined avocado oil. I purchased it a little while ago and hadn’t had a need for it until now. It has a light, soft green tint to it which compliments the green color of the clay. If you can get your hands it’s much more expensive and unrefined cousin, definitely make use of it. Although it has a deeper green hue.
  • I’m using two of my favorite fragrance oils to scent this soap because it’s so inexpensive. Totally swap these out for essential oils if you’d like to, which would also make this soap even more ‘extra special’. I tend to add a little less sandalwood and a little more jasmine, just for balance.
  • I’ve also added a bit of tallow to this French Green Clay Soap recipe, which just helps to harden it up more quickly. Vegetable fat can be a great substitute here if you’re a vegetarian. Alternatively, you can use a bit of Sodium Lactate, but I just don’t think it’s necessary.

My best homemade HP soap recipe with clay

Ingredients For My Hot Process Soap Recipe With Clay

 

  • Crock-pot
  • Stick Blender
  • Soap Mold
  • Measuring jugs
  • Spoons and Spatulas
  • Personal Protective Equipment (Gloves and Glasses as a minimum)

Everything you need to make hot process soap with clay

How To Make Hot Process Soap With Clay

NOTE: Because I’ve posted a couple of hot process soap recipes now, I’ll be running through the method relatively quickly. If at any point a step is rather vague, I will link to one of my previous posts for further detail.

STEP 1
Pop your oils, butters and tallow into your crock-pot and switch it to a low setting. Allow the solids to melt into the liquids. Make sure you exclude the fragrance oils and the clay.

Put all of your oils, butters and animal fat into your crock-pot and let them melt. Eclude the fragrance oils and the clay.

While your oils melt, mix your 128g sodium hydroxide with the 297g water to make your lye solution. You always want to pour your sodium hydroxide into your water to prevent any splashing.

STEP 2

Before we continue, we’ll need to balance the oil with the lye solution. You need both to be under 130F before you mix.

When they are, turn off the heat and pour your lye into your oils and give it a good stir. You can add a little at first just to make sure that you won’t see any adverse reactions.

Once your oils and your lye are below 130F, pour the lye into your oils.

STEP 3
Now we need to bring the soap batter up to a light trace. This is when the soap batter becomes thicker, allowing you to pick up some of the batter with a spoon and drip it back onto the surface without it sinking in straight away.

To do this, use a stick blender. Blend in short bursts of a couple of seconds, followed by a stir. You’ll want to repeat this until you see the sign of trace.

Use a stick blender to blitz your soap batter up to a nice trace.

This process can take up to 5 minutes, but this varies depending on the temperature of your oils.

Once you've reached trace, you should be able to pick up some of the batter and drop it back down onto the surface, without it mixing in straight away.

For a more in-depth look at how to get your batter to trace, take a look at our first hot process soap recipe, made with gorgeous orange essential oil.

STEP 4
Now that the batter is at trace, it’s time to use heat to expedite the saponification process. Switch your crock-pot back to a low setting and put the lid on. You’ll want to leave your batter for 20 minute intervals to ‘cook’, stirring after every 20 minutes.

Your batter will go through various stages during this process, and you will find it will look dramatically different depending on the stage. Don’t worry, this is totally normal.

Ultimately we’re looking for our batter to hit the ‘gel phase’, which is when the batter becomes slightly translucent, shiny and possess a striking resemblance to petroleum jelly. When you see this, switch off the heat.

You'll know when you've cooked the batter long enough, as it should look like vaseline.

Again, for a more in-depth look at the processes of saponification for hot process, take a look at the ‘cook’ step of our first hot process soap recipe.

STEP 5
Now that our soap has been well cooked, it’s time to add our extra ingredients. I’m using fragrance oils for this recipe, with a bit more jasmine than sandalwood to help balance the scent profile. It’s quite okay to use whatever aromas you wish, as well substituting for essential oils.

Pour your fragrance oils into the batter and give it good stir so it's properly distrubted.

Go ahead and pour your 40ml total fragrance oils into the crock-pot and give the batter a good stir. We want to stir thoroughly so the fragrance is well distributed.

STEP 6
Now we want to add our mixture of French green clay and water. Because some clays are not heavily pigmented, you have the option of adding a tsp of green soap mica to the clay if you wish. I’ve decided not to this time.

Mix your clay with the water and give it a proper stir. You can add some mica to your clay if you'd like a stronger color.

When you’ve mixed the clay and water, add it to the soap batter.

Add your clay to the batter and give it a good stir so it's properly distrubuted.

STEP 7
We’ve now added all of the necessary ingredients, so go ahead and spoon the mixture into your soap mold. I find silicone molds work the best, but if yours isn’t, make sure you’ve pre-lined it with some baking parchment.

You will likely need to spoon the mixture into your soap mold.

I find that picking up the mold and bashing it down can help to even out some of the batter. Otherwise, you can use a spatula to try and even out the mixture.

Because I often get quite an irregular surface on the top of hot process soap, so I do one of either two things. First, you can use a fork to create rough peaks. This is what I’ve done this time. Your other option is to use a soap cutter and trim a layer off the top to get a smoother surface. Either is fine to do and looks quite nice.

I use a fork to get a nice, rustic texture on top.

STEP 8
You’ll want to leave it alone for 24 hours as it hardens up in the mold. The next day you should be able to pop it out of the mold and cut it into slices. If you find that your soap is softer than you’d like, give it a week to harden. Otherwise, you’re free to use, gift and sell your soaps!

Leave your soap overnight in the mold before your remove and cut it. Leave for a few days to dry before using.

Final Thoughts

I’m absolutely loving this French Green Clay Soap right now and I think it’s simply because you can use it almost immediately. There’s nothing better than slipping into a nice, hot bath and using your very own soap to nourish and soften your skin. It’s a luxury I recommend everyone tries before they die!

The ingredients in this soap are all tailored to getting the most out of your soap making efforts. I strongly encourage you to experiment though. Perhaps you’d prefer to 86 the animal and vegetable fat in exchange for a gorgeous butter or sumptuous oil. Maybe the color isn’t to your liking, as you can get a whole range of different colored french clays to try your hand at. Experimentation is the most exciting part of soap making!

I generally find that this French Green Clay Soap is quite hard, but I think that’s probably because of the lard. If you’re substituting the lard, and still wish to get that nice, hard soap texture, then I’d strongly recommend making use of the Sodium Lactate. It should make sure your soap is nice and hard. Otherwise, just leave the soap for longer before you use it, and it’ll harden as it dries out.

I hope you manage to make a lovely soap from this recipe. If you have any questions or need some clarifications, don’t hesitate to ask me in the comments section below. Also use that space to let me know how you got on, and how amazing your skin feels after using it!

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Angela Wills

About Angela Wills

SavvyHomemade is a true passion for me and my family, its where we've been busy sharing inspirational DIY craft ideas since 2008! With over 30 years of handcrafting and creative experience, the dream is that this information will make life a little easier for others whilst also doing a little towards protecting our planet. More About Angela Wills »

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