Preservatives

Q&A: Aloe vera extract or concentrated powder? Why isn’t Jeecide CAP-5 soluble in highly aqueous systems?

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As you might have noticed from the pinned posts section of the blog, there’s a question and answer post there for $5 and $10 subscribers to ask questions to which I promise replies. These are a few from this month… Aloe vera extract or re-constituted Aloe vera powder? In this month’s Q&A, Susan asked, Hi...

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#alltheingredients: dermosoft® 1388 eco (INCI: Glycerin, aqua, sodium Levulinate, sodium anisate) – preservative

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dermosoft® 1388 eco (INCI: Glycerin, aqua, sodium Levulinate, sodium anisate) is a non-traditional, COSMOS and ECOCERT approved, non-broad spectrum preservative from Evonik/Dr Straetmans that can be used in aqueous products, surfactant based products, and emulsions, like lotions, hair conditioners, body butters, creams, and facial moisturizers. It contains 30% to 50% glycerin, 25% to 35% water,...

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#alltheingredients: Geogard® 221 (INCI: Dehydroacetic Acid (and) Benzyl Alcohol (and) Water)

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GEOGARD® 221 (INCI: Dehydroacetic Acid (and) Benzyl Alcohol (and) Water) is a sorta naturally compliant preservative that works as a broad-spectrum preservative in emulsions, like lotions, creams, body butters, facial moisturizers, and hair conditioners; anhydrous products, like whipped butters or lotion bars*; aqueous products (water only), like toners. Lonza, the company that manufactures this preservative, claims it compares favourably...

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Newbie Tuesday & Formulating Friday: Creating emulsions with Simulsol/Lotionpro™ 165 – part two, thickeners, rheology modifiers, and preservatives! (Week one)

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Six plastic bottles containing preservatives sit atop a metal plate on a digital scale

Welcome to part two of our introduction to the Simulsol/Lotionpro™ lotion making series/course for both the beginners’ Newbie Tuesday series/course and the more advanced Formulating Friday series/course. Yesterday, we met the emulsifier and looked at how to formulate with it, so today we’re looking at the thickeners and rheology modifiers we’re using for our formulas,...

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Preservatives: Choosing preservatives that work with cationic emulsifiers

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In the previous Newbie Tuesday and Formulating Friday series/course, we took a look at different preservatives we could use instead of Germall Plus liquid. For the Ritamulse SCG series, we considered those which would work for anionic or negatively charged emulsifiers; for the Polawax, e-wax NF, Phytomulse, or Natragem EW series, we considered those that...

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