Q&A: Can I dissolve a shampoo bar into water to make a liquid shampoo?

I’m seeing these two questions asked quite a lot in the various solid shampoo bar groups I’m in – including the one I moderate, Syndet Shampoo Bars – and the short answer is no, you can’t dissolve a shampoo bar into water to make a liquid shampoo. Why? Let’s take a look at a few...

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Don’t forget about squalane! (Updated July 15, 2022)

Original post, May 5, 2015. Updated July 15, 2022.  In our haste to use the newest oils we can find, we sometimes forget about the oils that we might have purchased in the past. One of the oils I’m rediscovering is squalane, a bio-identical oil that we find in our skin’s sebum at around 12%....

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Cosmetic chemistry terms: Structuring agent (also known as thickeners)

This is a term you’ll be seeing quite a bit on the blog in the future, so let’s take a look at what this means. As a note, I’ve added a shorter version of this post into the glossary so it’ll come up in ever post from now on as a clickable link.  A structuring...

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Tips & techniques: How do I keep track of what I wanted to do with ingredients I’ve ordered?

How do I keep track of my ingredients between ordering and receiving? How do I remember what I was going to make with them and actually use them in my workshop? Here’s my process! When I order ingredients from a company, I take screen shots of my order, then print them out and put them...

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Q&A: Can I make up batches of product and scent it later? How do I do that? And a disclaimer on how much fragrance oil to use in a formula!

Original post from November 16, 2010… An e-mail question came in asking this question…Can I make up batches of lotion and scent them later? What about things like body wash? The answer to this is simple. Yes. I’ll make up a large batch of lotion with all the ingredients, except the fragrance oils, and store...

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