Pumice Soap Recipe

With this Pumice Soap Recipe you’ll be able to make a soap that works extra hard to make your hands come clean. Whether it’s from heavy dirt, grease or grime, this pumice soap will get the job done.

Pumice is an igneous rock that is lightweight and porous.  It is also very abrasive. When used as an additive it makes a heavy duty exfoliating and cleansing soap. Add your granulated pumice at mid-trace and make sure it is mixed very well. Add your favorite essential oil for scent if you choose.

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Pumice Soap Recipe:

1. OILS. To make this soap we combined 4 oils & fats for their beneficial soap properties. Here is the list of the oils. Included are the percentage amounts and the oil weight per each (in ounces).

a. Lard - - - - - - 35%…………...7.0 oz.

b. Coconut Oil - 25%…………...5.0 oz.

c. Olive Oil - - - 20%…………...4.0 oz.

d. Canola Oil - - 20%…...………4.0 oz.

Total: 4 Oils - - 100%      =        20.0 oz.


2. LYE Amount = 2.91 oz.

3. H20 Amount = 6.79 oz.

4. ADDITIVES:

a. Pumice (.025% of total oil amount). Amount = 0.5 oz.  Add this at mid trace and mix well.

b. (Optional) Add an essential oil for scenting.

Pumice Soap Recipe by the numbers.

This Pumice Soap recipe uses 4 oils and fats. They are: Lard, Coconut Oil, Olive Oil and Canola Oil. Using this mix of oils and fats we come up with our 7 soap attributes using the soap calc.

1. Hardness of ( 39 ).

2. Cleansing Capabilities at ( 17 ).

3. Conditioning Qualities are at ( 55 ).

4. Bubbly number is ( 17 ).

5. Creamy number is ( 22 ).

6. Iodine is at ( 61 ).

7. The INS number is at ( 145 ).

So what do all these numbers mean? Well, with these numbers we can compare our soap recipe numbers with the optimal number range per category from the Soap-Calc.

Compare your recipe numbers.

So here’s how our soap recipe fits into each of the ranges.

1 Hardness. Best range is between (29 – 54). The higher the number the harder the soap bar will be. Our number was ( 39 ) which is within the acceptable range, this soap bar will be of normal hardness.

2. Cleansing. Best range is between (12 – 22). The lower the number the more mild the soap. Our cleansing number is ( 17 ) which is within range.  The soap will be of average mildness.

3. Conditioning. Best range is between (44 – 69). The higher the number the more soothing and softening to your skin. We have a number of ( 55 ) which is within range.  This soap will be normal in the soothing and softening area.

4. Bubbly. Best range is between (14 – 46). Higher numbers in this category equate to more bubbly lather. Our Bubbly number is ( 17 ). This soap will have a fair amount of bubbly lather.  

5. Creamy. The best range is between (16 – 48). The higher the number the more lather you will have. Our Creamy number is ( 22 ). This soap will have some lather.

6. Iodine. The range here is anything (under 70). If your number is under 70 the soap will not go rancid. Our Iodine number is ( 61 ). This soap will not go rancid.

7. INS. The best range here is between (136 – 165). The lower the number the more moisturizing the soap will be to your skin. We have the number ( 145 ).  This soap will have a normal moisturizing quality.