Rustic Peppermint Lime Hot Process Soap Recipe with Parsley

PeppermintLimeI’m ready for summer. I love the serenity of winter, but I’m ready to get outside. This rustic soap makes me think of warmer days. Peppermint and lime are so invigorating. Blended together, they just smells like summer. I colored the bar with parsley, which worked great. It gave the bars a great spring green color. I love to use natural colorants, and it’s even better if I have them on hand.

You must use caution when working with lye. Wear goggles and long gloves, don’t breath in the fumes, and make absolutely sure there are no children or pets in your work area. If you’ve never made cold process soap before, please read up on it before attempting this or any project. 


8 oz coconut oil

8 oz deer tallow (you can use palm oil instead, but be sure to run it through a lye calculator if you do)

7 oz olive oil

1 oz avocado oil

1 oz castor oil

8.25 oz water

3.547 oz sodium hydroxide (lye)

.7 oz lime essential oil

.3 oz peppermint essential oil

2 tablespoons parsley – ground in blender (I use a Magic Bullet)

2 pound mold or individual molds

Stick Blender

Crock Pot

Safety Gear–Goggles & Gloves

Though this recipe has been calculated carefully, it’s always a good idea to double check any recipe with a lye calculator. 

To Make the Soap:

1. Heat the oils in the crock pot until melted. Turn off the crock pot. Blend the parsley with the oils.

2. In a heat safe bowl (not aluminum), carefully sprinkle your lye into your water. Do this in a well ventilated area, and be very careful not to breath in the fumes. Stir the mixture until it is clear, and then set it in a safe place to cool.

3. Very carefully add your cooled lye mixture to your oils, and blend with a stick blender until it reaches light trace. This will look like thin pudding.

4. Turn the crock pot to low, and then cover with the lid. In fifteen minutes, stir the soap. It should be starting to thicken up.

5. In another 10-15 minutes stir the soap again.  Continue to stir and wait until the soap is the texture of mashed potatoes. It will be somewhat translucent and waxy.

6. At this point it’s a good idea to test the soap’s ph. If the soap is finished (below a 10) then transfer it to a heat safe bowl to cool for a few minutes. You don’t want to wait too long, just a few minutes so it isn’t quite as hot when you add the essential oil.

7. After a few minutes, stir in the peppermint and lime oils, and then transfer the soap to your mold. Press it down firmly with your fingers (since the soap is still hot, I keep my gloves on the entire time). Wait 24 hours, or until set, and then cut your bars.

The soap is ready right away, but the longer you let them cure, the harder they will be–and the longer they will last.



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