Q&A: Using vinegar in shampoo bars? Can we store surfactants and actives in the fridge? Substituting powdered surfactants in shampoo bars? Thickening aloe vera with Xanthan Gum?

I thought I’d answer a few quick questions in this post! If you’re a $5 or higher subscriber, visit the monthly Q&A to share your thoughts! USING VINEGAR IN SHAMPOO BARS? I’ve had someone ask me about why someone would be using vinegar in a shampoo bar and the short answer is that they’re using…...

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Shampoo bars: Please don’t use 100x or 200x aloe vera powder in them!

A woman wrote to me the other day to say her shampoo bars were soft and sticky. I asked her to tell me her exact formula, and it was identical to one of mine with one huge exception – she added 1% concentrated aloe vera powder, either 100x or 200x. Since then, I’ve read of…...

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Q&A: How to store shampoo or conditioner bars after use? Making a thicker conditioner with Varisoft EQ 65?  

In the October Q&A, Sima asked: Hey everyone, just a question on Shampoo and Conditioning Bars. Was wondering what you do after you have used a your shampoo or conditioning bar on your hair? What do you place in on, do you wipe it dry, do you air dry on a soap dish, how do you…...

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Q&A: Why do people use apple cider vinegar rinse after washing with alkaline products? Why not just make the shampoo bars with very low pH? (Tons of information about hair chemistry and shampoo bars…)

In the July Q&A post, I live in an area with very hard water, and I’ve heard that could cause a problem when using shampoo bars. I’ve also heard about apple cider vinegar rinse, which does not sound too pleasant to me. Would you shine more light on this? Does the vinegar rinse work because of…...

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The new e-book is here – Shampoo bars you will love: Creating pH balanced bars

I’ve been working on this feverishly for weeks, but it’s finally ready: My new e-book, Shampoo bars you will love: Creating pH balanced bars! The write up: This new, special edition of Adventures in Cosmetic Chemistry delves into how to make pH balanced shampoo bars using liquid and powdered surfactants, and all kinds of other…...

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