Why are we adding some ingredients, like hydrolyzed proteins or preservatives, to the cool down phase? (Part one)

Three bottles with brown, clear liquid sit on a counter top. These are hydrolyzed proteins.

This is a super great question and one that I don’t think I’ve ever answered all in one post, so let’s look at this now!  Sometimes adding ingredients to the “cool down phase” isn’t just about the temperature! Some of our ingredients are heat sensitive – those that are volatile, like isododecane, fragrance oils, or essential...

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Tips & techniques: Why do we need to add water back to the water phase of an emulsion if it evaporates?

I was on a Facebook group this weekend where this question was posed, “Do you need to add the evaporated water back to the lotion?”, referring to the water that was lost as we heated and held the heated water phase when making an emulsion. The short answer is heck, yes! The longer answer is...

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Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), part four – using naturally compliant preservatives, plus information on measuring and adjusting pH with a short video! 

A beaker containing white powder - the emulsifier Eumulgin SG - sits oh the edge of a digital scale

Welcome to part four of this short series on using Eumulgin SG (INCI: Sodium stearoyl glutamate). In today’s post, we’ll be looking at some naturally compliant and non-conventional preservatives to see if they’ll work in the formula. In part one, we met this emulsifier: Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), ingredient...

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Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), part three – changing preservatives, adding product protecting ingredients, and a new, modified formula 

A beaker with a white powder - an emulsifier called Eumulgin - sits on the edge of a digital scale.

Welcome to part three of this short series on using Eumulgin SG (INCI: Sodium stearoyl glutamate), a strongly anionic (negatively charged) emulsifier that offers a light or “nude” skin sensations, creating non-greasy, non-waxy, emulsions. Find part one here – Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), ingredient profile post.  Find part two...

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Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), part two – basic lotion formula #1

Welcome to part two of this short series on using Eumulgin SG (INCI: Sodium stearoyl glutamate), a strongly anionic (negatively charged) emulsifier that offers a light or “nude” skin sensations, creating non-greasy, non-waxy, emulsions. Find part one here – Emulsifiers you will love: Sodium stearoyl glutamate (aka Eumulgin SG), ingredient profile post.  It’s naturally compliant...

This content is for Foundation, Formulation, and Innovation members only.
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