Coffee Cold Process Soap

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Ever wonder what to do with your leftover coffee in the coffee pot? Or the coffee grounds? Well worry no more, soaping is the solution (isn’t it always?)! Using coffee instead of water to make your soap is surprisingly easy, and incorporating local coffee helps with the “locally handmade” aspect of artisan soap. When first combining your lye and your coffee, the solution will smell quite foul! But once your soap has been made, that will disappear, leaving behind Hazelnut Toffee and Turkish Mocha to make a hearty coffee fragrance. Keep caffeinated and keep on soaping!

What You’ll Need:

12 oz Brewed Coffee
5.26 oz Lye

12 oz Coconut Oil
12 oz Palm Oil
5 oz Sweet Almond Oil
3 oz Castor Oil
4 oz Hazelnut Oil

.9 oz Hazelnut Toffee FO
.9 oz Turkish Mocha FO

1/2 tsp Titanium Dioxide
1/2 tsp Cappuccino Mica

About 4 tbs Ground Coffee (unbrewed)
About 2 tbs Whole Coffee Beans

Hardware:

Scale
4 cup glass Pyrex (2)
12 cup glass Pyrex
Stainless steel whisk
Ramekin or Dixie cup (2)
Measuring spoons
Mini Mixer
Silicone Spatula
Small container to measure fragrance
Fork (2)
Easy Pour (2)

**If you are not local, you can get all of this and more at Bramble Berry! They will ship directly to you!**

If you’ve never made Cold Process soap before, stop here! I highly recommend checking out Bramble Berry’s FREE four part SoapQueen.tv series on Cold Process Soapmaking, especially the episode on lye safety. And if you’d rather do some reading, Bramble Berry carries a wide range of books on the topic, including Anne-Marie’s newest book, Pure Soapmaking. You can also checkout the digital downloads for that instant gratification factor.

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DIRECTIONS:

COLOR PREP:

In a small ramekin or dixie cup, measure out 1/2 tsp Titanium Dioxide and add about 2 tbs of any fixed oil (we chose Avocado Oil). Then combine using Bramble Berry’s mini mixer.
In a separate small ramekin, disperse 1/2 tsp of Cappuccino using the same method.

OTHER PREP:

Weigh out .9 oz Hazelnut Toffee FO and .9 Turkish Mocha FO into a small container and set aside (you can combine the fragrances in the same container)

Mark both of your easy pour containers at just below the 500 mL line.

Begin by organizing your area so that everything is ready to go. Place your ramekin of Titanium Dioxide by one of the easy pour containers and your Cappuccino Mica by the other. Have your coffee grounds and coffee beans ready to go.

COFFEE PREP:

Brew your coffee relatively strong. We used 2 cups of water with 4 tbs of coffee grounds. The stronger the coffee, the darker your soap will be. Allow the coffee to cool room temperature, if not cooler. The cooler your coffee is the less it will smell when you add your lye, and the less it will discolor your soap.

We chose to use unbrewed coffee grounds for the veins in between layers and for the middle layer in which we incorporated the coffee grounds. Unbrewed coffee grounds can discolor your soap, but our soap was already so dark it did not affect our final product!

LYE PREP:

Measure 12 oz of coffee into one 4 cup glass Pyrex, and 5.6 oz of lye into another. Make sure you are in a well-ventilated area, and you are wearing long sleeves, gloves, and goggles. Carefully add the lye to the Coffee while gently stirring with a stainless steel whisk until the lye has completely dissolved. The lye coffee will smell super bad! Allow the lye to cool to around 115 degrees by either labeling and setting aside, or by placing into a designated freezer. We recommend using Bramble Berry’s Infrared Thermometer. These are amazing because they are so easy to use and you don’t have to worry about getting your thermometer covered in lye water!

While the lye is cooling, weigh and combine your oils (making sure you are PRECISE!) and then microwave on 45 second bursts until the oils are around 115 degrees.

Once both the lye solution and the oils are around 115 degrees (between 10 degrees of each other) you can begin soaping!

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Place the stick blender into the oils at an angle and burp the blender by gently knocking the stick blender on the bottom of the Pyrex. Pour the lye solution down the arm of the stick blender and start mixing until you have reached a thin trace.
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Once you have reached a thin trace, pour the soap batter in the designated easy pour containers to the line.

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Add the cappuccino Mica to one of the easy pours, and the Titanium Dioxide to the other. Mix well.

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Add about half of the fragrance to the Cappuccino Mica easy pour. You can eyeball this. Mix well.

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Pour the Cappuccino layer into the 10″ Silicone Loaf Mold.

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Using a mini spatula, texture the layer using a swooping method.

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Sprinkle coffee grounds on top of the first layer, avoiding the sides to help prevent separation.

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Add about 2 tbsp of coffee grounds to the uncolored layer of soap. Mix well.

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Add the rest of the fragrance and mix well. Using a silicone spatula to help prevent breakthroughs, pour the coffee ground layer on top of the Cappuccino layer.

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Using a spatula, texture the second layer using the same technique as before.

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Sprinkle coffee grounds on top of the second layer, again avoiding the sides to help prevent separation.

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Using a silicone spatula to help prevent breakthrough, pour the Titanium Dioxide layer on top of the coffee grounds layer.

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Spoon the soap to the middle to create a small peak. You may need to wait a few minutes until the soap thickens up enough to do this. Be careful to not spoon too deep into the top layer, or you may scoop coffee grounds up to the top layer. We want this top layer to be uncolored, without grounds.

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Add coffee beans to the top of the peak.

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Allow to sit out at room temperature, uncovered, for three days. Unmold carefully, as the coffee prolongs the hardening and curing process.

Cut the soap on it’s side to help prevent the coffee beans and grounds from creating scrape marks on the soap.

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Allow to cure 6-8 weeks before use.

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Want to learn more about making coffee soap? Check out this Soap Queen blog.

Don’t forget, for the month of June take 15% off all Vanilla Fragrance Oils here in-store at Otion! **This sale does not apply to flavor oils or special orders**

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