Class Handout: Making Liquid Soap


by David Critchfield & Jen Grimes

This Class Handout is a digital download. Once purchased, you will find the link to access your document on your MY ACCOUNT page.

Do you prefer using Liquid Soap (over bar soap) in your kitchen or bathroom? Or have you simply mastered bar soaps & are looking for your next soapmaking challenge? Liquid Soap is a hot processed soapmaking method utilizing potassium hydroxide as the alkali instead of sodium hydroxide.

Ever wonder why not many people make Liquid Soap when compared to bar soaps? It’s because it takes much more time and patience than bar soaps – but the rewards can be great. Liquid Soaps are relatively inexpensive to make due to their high water content, but good results require not only a good, tested recipe, but also careful measurements and quite a bit of patience.

Our thorough class handout, written by two experienced soapmakers, will help you learn how to make your own Natural Liquid Soap. It starts with a thorough introduction to liquid soapmaking, the benefits & drawbacks, and covers all the materials, equipment & supplies you need to get started. We compare lye calculators & discuss potassium hydroxide purity. You’ll get our tested recipe, and step-by-step instructions. Learn how to create a liquid soap “paste,” dilute a previously made paste, and test/adjust the pH of the finished soap. It covers which oils to use, how to dilute liquid soap & use popular foamer bottles. It also includes scenting & coloring, thickening the soap, using liquid soap additives, packaging considerations, & finally recommended suppliers.

So, are you ready to take your soapmaking knowledge to the next level? And next time a customer asks if you make Liquid Soap, you can say YES I DO!

Disclaimer: Making Liquid Soap is more difficult / involved than making bar soap. This is an intermediate or advanced soap making topic. It assumes that the reader has either taken our Cold Process 101 Soap Class or has prior experience making soap from scratch. If you have never made soap from scratch using lye before (cold process or hot process), we suggest you first order Ruth’s Video eClass for Cold Process Soap Making 101, which includes the Class Handouts for CP 101.

Summary of what’s in this Digital Class Handout:

  • Cover Page: Color photos of Jen’s liquid soap & soap paste
  • Page 1: Introduction to Liquid Soap Making
  • Page 2: Benefits & Drawbacks
  • Page 3: Materials, Equipment & Supplies
  • Page 4: Lye Calculator Comparisons (5 different ones)
  • Page 5: Liquid Soap Recipe Sheet
  • Page 6: Liquid Soap Blank Template/Worksheet
  • Page 7: Instructions for Making Liquid Soap – Part 1: Make the Paste
  • Page 8: Instructions (Cont.) – Part 2: Dilute & Part 3: Adjust pH)
  • Page 9: Instructions (Cont.) – Part 4: Adding Fun Stuff) & “Oils to Use”
  • Page 10: Diluting Liquid Soap & Scenting Liquid Soap
  • Page 11: Scenting (Cont.) & Coloring Liquid Soap
  • Page 12: Thickening Liquid Soap (natural & semi-natural thickeners)
  • Page 13: Thickening Liquid Soap (Cont. on how to add thickeners)
  • Page 14: Packaging Considerations (different types of tops & bottles)
  • Page 15: Jen’s Recommended Suppliers

Please read about the teacher & find more details in the “About Class Handouts” tab below before purchasing this handout.

A Class Handout is the digital PDF version of the handout for the in-person classes we taught at The Nova Studio. After ordering this PDF-format digital handout, you will be directed to a page that contains links to your instant downloads. You’ll have easy access to all your active Class Handout links in one easy place from your My Account page (downloads expire after 10 days & 5 downloads – so be sure to save the docs to your computer before then).

They will save you a ton of time & energy by giving you accurate, tested recipes & formulas, clear instructions, recommended sources for where to buy supplies relevant to each topic, and any background and/or supporting information. It’s the next best thing to being in a class!

When you buy the handouts, you also have permission to make the products exactly as is (with or without changing them) and you may market/sell them to your customers using our recipes. The only thing you cannot do is sell, post or distribute the information, directions, or recipes in our handouts since they are protected by copyright laws as part of our exclusive intellectual property.

Purchasing these handouts does not include any additional consulting or email support. If you have questions or need consulting, we offer private lessons & phone consultations. If you teach classes and want help creating your own class handouts, please contact us to set up a private consult and we would be happy to assist you. Purchasing our handouts does not give you permission or license to use them as teaching materials.


With Class Handouts, you are granted instant access as soon as your transaction is complete (download links can be found on your My Account page – simply open the files & save them to your computer and you will have access to them forever). Since this is a digital product that you cannot return, we have a no refund policy. That said, we want you to be happy. If you are not satisfied with your purchase, please Contact Us.


Jen headshotJen Grimes started her descent down the make-your-own cosmetic rabbit hole after stumbling over books with vintage cosmetic recipes in her local library. After picking up and putting down books on how to make soap (all those bizarre ingredients and safety measures!), she took the plunge, promptly became addicted, and was certified as a soapmaker through the Handcrafted Soap & Cosmetics Guild (HSCG). Today, Jen is a proud member of and volunteer for HSCG & owns and operates Loft Soap. She has a passion for hot-processed soap, loves funny-looking soap and can often be found communing with other soapmakers at The Nova Studio. Learn intermediate & advanced soap making topics from Jen.


david critchfield teacher picDavid Critchfield, veteran Soapmaker & founder of Mission Peak Soap Products began soap making in 1995 when his wife presented him with a beginning soap making book. From the early days of ugly soap and vanishing fragrances, David turned his hobby into a steady stream of income producing fine, aromatic, handcrafted soap for fund raisers, local health food stores and specialty retailers. He joined forces with Lori way back in 2005 to expand the variety of soap making classes at The Nova Studio. Even though he’s retired from teaching classes (after 10 great years), we’re thrilled to have the products of his years of expertise available for sale as instant PDF downloads. Learn how to make really big batches of soap (his specialty) as well as other intermediate/advanced soap making topics from David.


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