Cold process emulsifier

The cold process emulsifier course posts will be under this category.

Formulating Friday cold process emulsifier series: SEPILIFE™ NUDE and SIMULGEL™️ EG – creating an awesome facial moisturizer with actives (part 9)

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Two bottles

Welcome back to this series, which I think is the last part before we start the new series in January for Sepigel 305 or Sepiplus 400? If you’d like to see another post with a wrap-up or to ask questions or to share your formulas, let me know in the comments or email me at...

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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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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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Formulating Friday cold process emulsifier series: SEPILIFE™ NUDE and SIMULGEL™️ EG – all about humectants, part 4! 

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Welcome to part four of this series/course – Formulating Friday cold process emulsifier series – in which we’ll be modifying the water phase of the 1% formula using SEPILIFE™ NUDE or SIMULGEL™️ EG we met in part three. But first, let’s learn some skin chemistry! Are you playing along? Have you made anything yet? What...

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