Courses

Chemistry Thursday: Reviewing what we’ve learned about triglycerides so far and how that affects the melting temperature and potential for grains in oils, solid oils, and butters, part 42

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Welcome back to this introduction to cosmetic chemistry course! We took a break for the month of December because I know how busy everyone gets, so let’s pick it back up for 2026! Let’s start with a review of what we’ve learned so far and why it’s important when formulating products! An important note about...

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Formulating Friday cold process emulsifier series: SEPILIFE™ NUDE and SIMULGEL™️ EG – increasing the viscosity by adding a structuring agent (part 8 with formulas and new instructions)

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A photo of three containers after packaging a cold process emulsion using SEPILIFE™ NUDE. The first beaker contains a bit of lotion with a black spatula. The second contains three small tottle bottles. The third has a blue spatula.

Welcome to part eight of this series/course – Formulating Friday cold process emulsifier series – in which we’ll look at how to increase the viscosity by adding oil-soluble solid-at-room temperature ingredients by creating a new heated oil phase for the formula. In our last post on November 29, 2025, we looked at increasing the viscosity...

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Formulating Friday cold process emulsifier series: SEPILIFE™ NUDE and SIMULGEL™️ EG – increasing the viscosity by adding a butter (part 7 with formulas and new instructions)

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A white plastic weighing boat contains some cream coloured chunks of tucuma butter. The boat is sitting on a red tablecloth.

Welcome to part seven of this series/course – Formulating Friday cold process emulsifier series – in which we’ll look at how to increase the viscosity by adding oil-soluble solid-at-room temperature ingredients by creating a new heated oil phase for the formula. In our last post on October 31, 2025,  we looked at increasing the viscosity...

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Chemistry Thursday: Triglycerides – how they pack together to create different kinds of crystals and the impact on melting point, part 41

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Welcome back to this introduction to cosmetic chemistry course! Let’s continue our investigation into triglycerides with part 41 by looking at how triglycerides pack together and why that’s important. An important note about this series – it’s here for life. It isn’t going anywhere. If you want to take a break or take a few...

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Formulating Friday cold process emulsifier series: SEPILIFE™ NUDE and SIMULGEL™️ EG – increasing the viscosity by increasing the emulsifier and making different emollient choices (part 6 with formulas)

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Two lotions on white plastic plates on the metal plate of a digital scale, both using SEPILIFE™ NUDE emulsifier. One is the sugared lemon body yogurt, the other a honeyed body custard. Both are white and thickened.

Welcome to part six of this series/course – Formulating Friday cold process emulsifier series – in which we’ll look at how to increase the viscosity of the formula by increasing the emulsifier and making different emollient choices (part 6 with formulas) Are you playing along? Have you made anything yet? What did you think? What...

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