There is no definitive answer to this question as it depends on the desired properties of the soap. Generally, a shaving soap should have a high palmitic and stearic content in order to produce a rich, creamy lather that provides a close shave.

TL;DR

A shaving soap should have a high palmitic and stearic content in order to produce a rich, creamy lather that provides a close shave. Stearic Acid is a vegetable derived waxy substance that can be used in a small amount in cold process soap.

What Does Stearic Acid Do In Shaving Soap?

The stable lather, slickness, and whisker softening qualities are needed in a shaving soap. These qualities can be achieved by sphaonifying fats with potassium and sodium hydroxide. When mixed with fats/oils, a chemical reaction called saponification takes place. [0]

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What Percentage Of Soap Is Stearic Acid?

It’s a vegetable derived waxy substance that can be used in a small amount in cold process soap. [1]

What Does Palmitic Acid Do In Soap?

Palmitic contributes to a creamy lather. Most soapmakers think of palm oil when they think of soap. [2]

What Is A Good Saturated Unsaturated Ratio In Soap?

The quality of soap you’re looking for will be determined by the ratio of saturated to unsaturated fats. Many seasoned soapmakers swear by a ratio between hard and soft fats. [3]

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What Is The Purpose Of Stearic Acid In Soap?

Stearic acid is an emulsifier, emollient, and lubricant that can help to keep products from separating. Stearic acid is used in hundreds of personal care products. [4]

Does Stearic Acid Make Soap Harder?

The stearic acid in soap creates a harder bar of soap with a creamy lather. You can increase the stearic acid content by using certain oils, fats, and butters. [5]

What Makes Good Shaving Soap?

The triple milled hard soaps cost a little more, but they are usually the best shave soaps. 40 to 50% fat level is optimal for a good soap. Good lubrication and skin protection can be provided by a high percentage of fat. [6]

What Is Shaving Soap Made Of?

Shaving soap has a high stearic fat/oil acid content and is more stable than regular soap. The stable lather, slickness, and softer qualities of a shave soap are created by stearic acid. [7]

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Why Is Stearic Acid Used In Soap Making?

Stearic acid helps to create a rich lather in candles and soap bars. It is ideal for use in shaving foams. It helps the skin remain hydrated by preventing or slowing hydration loss from the skin’s surface. [8]

What Does Fatty Acids Do In Soap?

During the soap-making process, triglycerides are combined with a strong base to form metal salts. The properties of soaps are determined by the distribution of unsaturated and saturated fatty acid. [10]

Which Fatty Acid Is Good For Soap Making?

The longer the saturated carbon chains, the harder the bar will be. Stearic acid is good for soaps that are high in olive oil. [11]

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What Is Palmitic Acid Used For?

Soaps, cosmetics, and industrial mold release agents are produced using palmitic acid. The palm oil is used to make sodium palmitate. [12]

Is Unsaturated Or Saturated Better?

Diabetes can be prevented by eating good fats in place of saturated fat. Unsaturated fat remains the healthiest type of fat, despite the fact that saturated fat may not be as harmful as previously thought. [13]

Is Soap Making Saturated?

Beef fat, also known as tallow, is the most commonly used saturated fat for soap making. It is usually the first ingredient in soaps. [14]

Sources:

  1. https://www.westcoastshaving.com/blogs/wet-shaving-and-grooming-blog/how-is-shaving-soap-different-than-regular-soap
  2. https://www.soapqueen.com/tag/stearic-acid/
  3. https://www.modernsoapmaking.com/blog/the-most-popular-fatty-acid-profiles-in-soapmaking
  4. https://houseoftomorrow.net/saturated-vs-unsaturated-fats-in-soap-making-what-you-need-to-know-about-the-differences/
  5. https://puracy.com/blogs/ingredients/stearic-acid
  6. https://rusticwise.com/stearic-acid-in-soap/
  7. https://originalshavecompany.com/what-makes-the-best-shave-soap/
  8. https://www.zingariman.com/blogs/zingari-blog/guide-to-shaving-soap-everything-you-need-to-know
  9. https://www.newdirectionsaromatics.com/blog/products/all-about-stearic-acid.html
  10. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6225244/
  11. https://www.mahachem.com/blog/ls/2021/formulation-tips-for-soap-making-with-fatty-acids-2/
  12. https://en.wikipedia.org/wiki/Palmitic_acid
  13. https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/fats-and-cholesterol/types-of-fat/
  14. https://feltmagnet.com/crafts/The-Roles-of-different-fats-and-oils-in-soap-making

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