Foundation subscribers and up: Ingredient substitution ideas for March 2026?

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Because we’re in the busy season for our suppliers and because we’re seeing shortages of ingredients around the world for basics, like sodium cocoyl isethionate (SCI) – ethoxylated surfactant – and emulsifiers, I thought I’d start a new monthly page for potential substitution of ingredients where you can share your comments, questions, and formulas. This...

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Formulation subscribers! Q&A for March 2026!

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It is vital that you read this post before posing your question! This is full of information that will get your questions answered much faster. Please be patient when asking a question as it takes a lot of time to answer something in detail like this post that is over 2,800 words or the equivalent...

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Foundation subscribers and up: March 2026 duplication request post

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Do you have an idea for a product you’d like me to look at duplicating? This is the post for you! This is the official post for posting the things you’d like me to consider duplicating. When you make a suggestion, please include the following information, all of which makes it easier for me to review your request...

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Hey, Innovation subscribers! The new e-book is here – The big book of hydrolyzed proteins & amino acids!

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Woo hoo, here’s the e-book for February 2026! Sorry for the 24 hour delay. Thank you for your patience. The e-book is a huge book about hydrolyzed proteins and amino acids – a reference book at over 41,000 words – with nine formulas for a foaming facial cleanser. This might be my biggest monthly e-book...

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Having trouble with Montanov™ emulsifiers? Here are my instructions for how to use them, some troubleshooting, and a place where you can ask questions or seek help! (Part one of a series…) 

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I hear all the time from people who want help with Montanov™ emulsifiers, but they rarely given me details beyond that it “failed” or “didn’t work”. I’d like to look at some things you can do to help you create awesome stable emulsions that’ll feel great on your skin! These aren’t hard emulsifiers to work...

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