Foundation subscribers and up: Ingredient substitution ideas for April 2025?

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 April 2025!

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: April 2025 duplication request post

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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Innovation level subscribers: The March 2025 e-book is here – Formulating fun with hyaluronic acid: Creating lotions & hair conditioners

Cover of March 2025 e-book, Formulating fun with hyaluronic acid: Creating lotions & hair conditioners

If you don’t see a link, it’s because I’m actively editing this page at 11:15 am PST. The link will be here within the hour.  Yay, the March 2025 e-book is done – Formulating fun with hyaluronic acid: Creating lotions & hair conditioners! You’ll learn to create and customize awesome emulsions – lotions, body butters,...

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#alltheingredients: Polyquaternium-11 – cationic polymer for hair and skin care products

A bottle with polyquaternium 11 sits beside a beaker with a clear, thickened liquid on a digital scale.

Let’s meet this new-to-me cationic polymer, polyquaternium-11, a clear, viscous, odourless liquid conditioning ingredient that offers anti-static, film forming, skin conditioning, and hair conditioning properties along with improved curl retention that can be used in hair and skin cleaners as well as hair conditioners. Before we start… Check out my enormous hair chemistry & hair...

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