Preservatives

Preservatives: Germaben II (updated with reference chart, 2024)

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Germaben II is a liquid broad spectrum preservative that should be used at 0.5% to 1% in the cool down phase of your watery creations (at 60˚C/140˚F). The INCI is Propylene Glycol (56%), Diazolidinyl Urea (30%), Methylparaben (11%), and Propylparaben (3%), which means it is a formaldehyde releaser that contains parabens. Read more about the...

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Modifying the winter hair & scalp spray: Let’s make a dry hair & scalp hydrating conditioner (part two) – choosing other preservatives with formula 

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Let’s modify the gorgeous winter hair & scalp hydrating spray full of botanicals and actives to be a lovely dry hair & scalp hydrating conditioner with different preservatives! Click here for part one of this series! You can find the original series in which we made a hydrating winter skin & scalp spray with loads of...

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Q&A: Can or should any other preservative be used along side Jeecide CAP-7? Or is Jeecide CAP-7 strong enough on its own?

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

In the monthly Q&A, Ivy asked, Can or should any other preservative (as in Leucidal Complete / SF MAX) be used along side Jeecide® CAP-7? Or is Jeecide® CAP-7 strong enough on its own? Jeecide® CAP-7 (INCI: Caprylyl Glycol (and) Glyceryl Laurate (and) Glyceryl Undecylenate) is a naturally compliant, non-ionic, natural, clear colourless liquid broad...

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Creating products: Packaging and preservation (updated 2024)

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I’ve written a lot about packaging in the past, but I’d like to share with you a great study on the impact of packaging on preservation of our products – Type of Closure Prevents Microbial Contamination of Cosmetics during Consumer Use Before we start… I’ve written two e-books on preservatives… The big book of preservatives,...

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Q&A: Do we need to add extra preservative to an exfoliating scrub to cover the extra exfoliants?

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In the monthly Q&A, JimmieTF asked, Hi Susan, I’ve made 2 sugar scrub bases, one with sodium cocoyl isethionate or SCI (it’s thick like syrup, so it does not separate) and one with SCS (sodium coco sulfate), and both of course have a preservative in them. Optiphen Plus (INCI: Phenoxyethanol (and) Caprylyl Glycol (and) Sorbic...

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