shampoo bars

Shampoo bars: Video link and questions from the Zoom workshop in March 2026! (Formulation & Innovation subscribers) – part two

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A photo of three shampoo bars on the metal top of a digital scale. From right to left, the largest one is pink; the middle one is pink and smaller because it's been used; the final one is white and it's very small because it's been used a lot.

Thanks for joining me for part two of this short series of posts post-Zoom workshop on shampoo bars! I’m going through the chat from the workshop to answer questions we discussed in the workshop and questions I didn’t get to as there was so much going on, and I want to make sure I addressed...

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Zoom workshop on shampoo bars! Link to the replay video! Questions about substituting surfactants, my equipment, using starches, and loads of links to great information! (Formulation and Innovation subscribers)

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Woo hoo! That Zoom workshop was fun, eh? I’ve been going through the chat and I’ll be answering some of those questions here. I did answer a lot in the workshop, but let’s go through and make sure they’re answered properly with links and such. This post consists mostly of short answers to the questions...

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Questions and answers about shampoo bars: The master list (updated February 13, 2026)

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I am writing this post to create a place where you can find all the questions you might have about shampoo bars! I will only be answering those that were emailed to me or posted as a question on the blog in the comments or in this post, Shampoo Bar questions, share them here! I’ll...

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Making shampoo bars: A (kinda) visual tutorial full of hints, tips, and techniques! (Updated 2023)

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I’ve been sharing little stories about how I make shampoo bars over on my social media accounts – SwiftCraftyMonkey on Facebook, and SwiftCraftyMonkey on Instagram – that I’ll share here with you! I’ll update these as I post over there, so this’ll be an ongoing project for at least a few days. Post #1: Melting...

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Q&A: What’s the safe as used percentage for sodium cocoyl isethionate (SCI)? (Updated for 2023)

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Rochelle asked in the Q&A for October, I have read a few conflicting stories/posts from different formulation type blogs about the safe usage levels of sodium cocoyl isethionate (SCI) in solid products like shampoo bars. One school of thought seems to be that the maximum usage rate of SCI is 49.5% (or thereabouts) and the...

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