Rheology modifiers

Important information: Please don’t use 2% rheology modifier or cold process emulsifier in warm process emulsion as it will make your formula fail (part one with formulas)!

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In the monthly Q&A, Rick asked, I don’t know if this question is too vague, but let’s try… I made a hand lotion using Olivem 1000 with cetyl alcohol and glyceryl stearate as stabilizers, a few oils, allantoin, panthenol, glycerin and FO, and I really liked it. Then I slightly modified it, subtracting 2% water...

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#alltheingredients: Sepigel 305™ (INCI: Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7) – cold process liquid emulsifier – updated January 20, 2026

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Woo hoo! We’re starting our cold process emulsifier series this Friday, January 9th, 2026, so I thought I’d update this profile of Sepigel™ 305, which we’re using with or instead of Sepiplus™ 400. Let’s take a look at this one today, then the other on Friday.  Sepigel 305™ (INCI: Polyacrylamide (and) C13-14 Isoalkane (formerly Isoparaffin)...

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Demythifying the myths: There isn’t a negative interaction between Sepimax ZEN and cetearyl alcohol

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I’m sharing this post again as I’m seeing this myth being passed around as if it were not only true but an “everyone knows” kind of a thing   I’ve had some downtime to surf the ‘net and catch up on all kinds of social media posts, and I’ve noticed a few things being said...

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#alltheingredients: Sepimax ZEN (INCI: Polyacrylate Crosspolymer-6) – Rheology modifier

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I was astonished to see such weird information about Sepimax ZEN (INCI: Polyacrylate Crosspolymer-6) out there as I surfed the ‘net and social media over the holidays, so I had to update the ingredient profile on this gorgeous gelling rheology modifier that was designed to handle electrolytes like no other! Here are some posts that...

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#alltheingredients: Sclerotium gum – non-ionic rheology modifier

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Sclerotium gum - a white powder - in a boat atop a silver scale with essential oils in the background

We’re about to meet a gorgeous new age-defying sheet mask with peptides created by the awesome Natalie Skiller, and I realized I hadn’t shared an ingredient profile for sclerotium gum, outside of my e-book, Rheology modifiers: Hydrocolloids, which is quite the oversight. So let’s take a look at this non-ionic thickening and suspending rheology modifier...

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