Formulating Friday cold process emulsifier series: Sepigel™ 305 and Sepiplus 400 (part two)

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A beaker sits on a digital scale with a white lotion in it. There's a container with a powder, Penstia powder, and a hand held immersion bender beside it.

Welcome to part two of this new series in which we’ll be making formulas using Sepigel 305 or Sepiplus 400! These awesome, liquid, cold process, non-ionic emulsifiers can make emulsions, gels, and gel-creams in less than 10 minutes using low/no shear mixing! Woo hoo! In this post, we’re comparing and contrasting these emulsifiers, then we’ll...

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Newbie Tuesday: It’s time to make lotion (free formula)!

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I first shared this formula in 2012, and as it’s been copied by everyone without credit and scraped by AI, I figured I might as well share it for free. It’s a tried and true formula that works with any liquid oils, butters, solid oils, esters, silicones, or hydrocarbons, like squalane. You can substitute the … Read more

Chemistry Thursday: More about the impact of the melting point of triglycerides the melting point of cocoa and shea butters that we can use to make awesome products, part 44

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Let’s continue our investigation into triglycerides in part 44 by looking at the melting points of various forms of triglycerides in butters, before getting to our fun experiment about the heating and cooling of said butters to see how the way we formulate with them affects their physical properties and sensory characteristics that I’ll be...

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Discussion question: What emulsifiers would you like to use in a cost-effective facial moisturizer?

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You may have noticed my new series on making less expensive products with less expensive ingredients, and I’d like to hear your opinions! I want to make a facial moisturizer using less expensive ingredients for that series, then we’ll look at adding the most cost effective actives, like hyaluronic acid. What kind of facial moisturizer … Read more