Layered Mint Cold Process Soap

This beautiful soap is super simple to make and uses an easy layering technique.

SAFETY WARNING! If you’ve never made soap before, be sure to start with our basic soap making guide. This recipe and instructions are for experienced soap makers. Be sure to gear up in your goggles and gloves before you make soap.

This recipe fits in a Bramble Berry 10″ silicone loaf mold. I halved it when I made it to fit into a smaller test mold from Bramble Berry.

Layered Mint Cold Process Soap Recipe

  • Coconut Oil – 306 grams (34%)
  • Shea Butter – 45 grams (5%)
  • Olive Oil – 360 grams (40%)
  • Avocado Oil – 54 grams (6%)
  • Rice Bran Oil – 135 grams (15%)
  • Sodium Hydroxide – 128 grams
  • Distilled Water – 256 grams
  • Peppermint Essential Oil – 15 grams
  • Spearmint Essential Oil – 10 grams
  • Dried Peppermint Leaves – 1 teaspoon
  • Caribbean Blue Mica (Bramble Berry) – 1/8-1/4 teaspoon (Just use enough to get the green color.)
  • Charcoal – 1 tablespoon (To create the charcoal line.)

Step 1: Make your lye solution. Weigh the water and lye into separate containers. Pour the lye into the water while stirring. Be sure to mix your lye solution in a well-ventilated area.

Step 2: Weigh out your solid/hard oils and melt.

Step 3: Weigh out your liquid oils and add to your melted oils. Add the essential oil blend to the base oils.

Blend to light trace.

Step 4: Divide your batter out. I used about 2/3 for the base and 1/3 for the top.

Step 5: Color your base using Caribbean blue mica. I used about 1/4 teaspoon. Add a little and then add a little more. The blue mica + yellow soap base creates a nice green. If you add too much, you’ll get blue.

Add 1/4 teaspoon ground dried mint leaves to the other portion. (If you want!)

Step 6: Using your stick blender, bring the green base to a thicker trace.

Step 7: Pour this into your mold.

Step 8: Create your charcoal line. I use a small tea strainer to dust the charcoal on. Don’t over do it! Don’t create a solid line or your soap layers will come apart.

Step 9: Pour on your top layer. If you brought the bottom layer to thick trace then it should hold the top layer well.

Pouring over a spatula will help to ensure that the soap doesn’t dive into the bottom layer.

Let your soap sit for 24 hours, unmold and cut your soap!

Cure your soap for 4 weeks!

Happy Soaping!

-Amanda Gail

By | 2017-05-15T15:13:05+00:00 April 15th, 2017|Cold Process Soap Recipes|8 Comments

About the Author:

I am a soapmaker, author and blogger! I started blogging in 2008, sharing soap recipes, design tutorials and publishing articles on various topics of soapmaking.

8 Comments

  1. Emily May 14, 2017 at 11:42 am - Reply

    Did you add white mica for the top layer?

    • Peachy Clean August 23, 2017 at 9:09 pm - Reply

      Hi Emily – I really want to try this recipe. Have you experimented with it yet? I am concerned that the top will not come out white since the base is so yellow. Would the white mica help with this problem? I’m a pretty green soap-maker so I’m not sure what type of results I’ll get. It looks like, in the recipe, that she did not use any micas. Thanks for your input!

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  3. Manjusha May 10, 2017 at 12:21 am - Reply

    Hi! I have been making Cold processed soaps for more than two years now. But with essential oils/ fragrances, my soap curdles up inspite of whatsoever care I take – like mint, lavender, Eucalyptus. Any remedies?

  4. Jill Gatwood April 21, 2017 at 12:36 am - Reply

    Never mind, re. my question about the loaf size… I re-read and saw your note that you halved the recipe for this pic. I am going to try adding a small amount of snow white mica (from http://www.madmicas.com) to the top part to make it whiter (I assume I can just add 1/8th tsp and stick blend it in…). We’ll see! This looks beautiful.

  5. Jill Gatwood April 17, 2017 at 8:23 pm - Reply

    I see that is a small loaf, not the 10″ mold you used in your booklet, right? Thanks, Jill

  6. Jill Gatwood April 17, 2017 at 8:19 pm - Reply

    I love this. It will be the first layered soap I’ve made. I see that is a small loaf, not the 10″ mold you used in your booklet, right? Thanks, Jill

  7. Lynn April 17, 2017 at 12:18 pm - Reply

    What did you use for the white top?

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