Tips & techniques: How to use a foamer bottle with diluted soap or surfactants

Someone shared this video from Aromatics International with me of someone showing you how to use a foamer bottle with liquid soap, and I thought maybe I could share some of my thoughts and a formula for diluting castille soap in one of these containers. Foam pump or foamer bottles were designed to create more foam…...

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Q&A: Adding a preservative to diluted melt & pour base?

In the July Q&A, Melanie asked:  I know you don’t do a lot in the area of basic soap, but my question is really about preservatives. I have tried making a batch of my own melt and pour base. I like to be able to whip up a bar of soap to match lotions etc…....

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Why cold process soap doesn’t work as a shampoo (for most people)

I’ve been getting a lot of questions about this topic lately, so I thought I should highlight it again. Most people cannot use cold process soap as a shampoo. Shampoos are generally at pH 6.0 or lower, whereas soaps are alkaline, over pH 8.0. This means CP soaps are not pH balanced for our hair. After…...

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Kevin Dunn has an interesting challenge for all you liquid soap makers! (updated)

As you all know I don’t make handmade soap, but I buy it and I’m fascinated by the chemistry of it. After a lengthy discussion that happened in this post, I wrote to Kevin Dunn of Scientific Soapmaking to ask him a question, and he responded! Kevin Dunn has put forth this challenge. (To learn…...

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Weekend Wonderings: Creating a creamier lotion bar/deodorant, using stearic acid in a foot cream, and making CP soap.

Welcome to the Saturday edition of Weekend Wonderings! There are a lot of wonderings to ponder this weekend, so let’s get right to it! In this post on stearic acid, Charbel asks: Do you know what else I can add to a homemade deodorant that uses extra virgin coconut oil (38% of total ingredients), sodium…...

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Question: Can you use castille soap as a facial cleanser?

I’ve had quite a few comments or e-mails about this topic – can you use your hand made soap as a facial cleanser? – and yes, you can use castille soap as a facial cleanser. It’s lovely stuff and cleans nicely! However… Our skin has a pH between 4.7 and 5.5, and we generally formulate…...

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