Mustard Seed Powder in Cold Process Soap 4

Today begins our eighth day of using kitchen spices in soap by using Mustard Seed Powder.

While the word mustard probably brings the thought of a mustard condiment to mind, mustard seeds are used all around the world as a spice. Mustard has a hot tangy flavor Whole mustard seeds are used in pickling vegetables. Mustard seed powder is used in various dishes across the world like duck, eggs, chutneys, sauces, curries, chili, lamb, dressings, and more. Did you know that the leaves and seeds can be used in cooking? Mustard greens are very popular in various cuisines both cooked and raw.

Collect needed items:

Hydrogenated Soy
Palm Kernel Oil
Sunflower Oil
Sodium Hydroxide
Mustard Seed Powder
Soap Spoon
Rubbermaid Drawer Organizer #2915
Immersion Blender
Time spent:
Weighing time: 8 minutes
Adding lye to water: 15 seconds, followed by 60 seconds of stirring
Heating of oils time: 90 seconds
Pouring lye solution into the fat mixture: 10 seconds
Using immersion blender to mix soap solution: 90 seconds
Adding Mustard Seed Powder and mixing well: 30 seconds
Pour into mold: 10 seconds
Allow soap to rest: 24 hours
Recipe in ounces:
6 ounces Hydrogenated Soy
6 ounces Palm Kernel Oil
4 ounces Sunflower Oil

2.2 ounces Sodium Hydroxide
6 fl oz water

1 teaspoon Mustard Seed Powder

We are going to use the higher end of the water recommendations in the Lye Calculator so we can mix the mustard seed powder in easily. We are also making this soap in dry weather so the soap will dry/cure quickly. If you are making this in a humid location, please use a dehumidifier to help dry out the soaps.

Measure fixed oils on your scale. Warm the fixed oils on the stove or in the microwave. I melted the oils in the microwave. Add sodium hydroxide to the water. Mix well.

Combine oils and lye solution. Stir until thin trace. Upon light trace, add the mustard seed powder. Stir well. Pour soap into molds. I used the Rubbermaid Drawer Organizers #2915 as the mold. Allow to sit until soap is firm.

The next morning cut into bars. Stack to allow good air circulation. Allow to cure for several days before using. Longer curing will result in a harder bar.

I had thought the mustard seed powder would turn the soap a warm yellow color, but I had forgotten that my favorite yellow mustard also contains turmeric, paprika and other spices. After the mustard seed powder was added, the soap turned a pretty yellow color and I was excited that I was right about the color. When I cut the soap after 24 hours, I was disappointed to see that the soap was a pale butter yellow color with brown specks. I thought it looked like butter with toast crumbs in it! The soap does not have a scent now and it did not have a scent at any time after the addition of the mustard seed powder. I would recommend 2 teaspoons per pound of fat as the maximum usage rate.

After looking at the finished soap, I think the best scents for this soap would be clean or lemon scents like 21, Cotton, Spicy Lime, Sunflower, Lemon Sugar, Lemon Zinger, Sake (type) and Relaxation.

The mustard seed powder soap samples have been sent to the Shipping Department to send out in orders. I really want to hear your comments about this or any of the other soaps with kitchen spices. I hope that anyone wanting a sample soap will request one and if we have any samples we will send them to you.

Cut soap after 24 hours.

Mustard Seed Powder.

Adding the lye to the water.

The lye and water need to be mixed together.

Stirring the lye solution.

Adding the lye solution to the melted fixed oils.

Mixing the lye solution and oils together.

Adding 1 tsp Mustard Seed Powder.

Completely mixed raw soap.

Continuing to mix until light trace.

Blending raw soap and mustard seed powder.

Raw soap into the mold.

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Mustard Seed Powder in Cold Process Soap, 5.0 out of 5 based on 1 rating

About Andee

Director of Happiness. I'm a thirty-something soap snob. I've grown up with handmade soaps, and I love them! I really like making lotions, soaps, and perfumes. I adore mixing scents to come up with something new. My favorite scent is either Wicked or Cotton Candy. I tend to hoard fragrances, I even have an Earl Grey Tea from the MMS catalog. I won't tell you how old it is, but it sure is good!

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4 thoughts on “Mustard Seed Powder in Cold Process Soap

    • Andee Post author

      Sadly, we don’t have any more of these soaps! All the samples went out in orders shortly after this post released.

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  • Bolaji omobolanle

    Good day Andee
    my name bola, I’m from Nigeria. Pls I have been trying to startup a business for myself as a means of survival, and i think making soaps will b of a great ideas. I learn and knw how to make antiseptic soup and other soaps but when i saw your post about mustard seed soap i was amazed i believe it will be of a great idea to start something like this in Nigeria which will make me the first person to introduce such product. But the problem is how to get mustard seed power or where to buy it because in Nigeria mustard seed power is very scarce and I’ll love to start something like this with my antiseptic soup that will make my product look different and unique. I’ll love to hear from you soon.
    Yours sincerely

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    • Tina

      What types of products can you find that will allow you to make a soap that is different? What herbs grow in your area. Don’t try for something that is too hard to get, that isn’t sustainable.
      Try for easier to source ingredients.

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