Creating products: Packaging and preservation (updated 2024)

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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Buying “previously owned” ingredients from destashing groups or Facebook Marketplace: Some things to seriously consider including information on good manufacturing processes (GMP) and certifications

I’m all about trying to conserve, being less wasteful, passing on ingredients if I can’t use them or won’t have time, and sharing where I can, but we need to talk about using previously owned ingredients you’ve purchased from someone you might not know on destashing groups on Facebook or on Marketplace or other online...

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Q&A: Can I make up batches of product and scent it later? How do I do that? And a disclaimer on how much fragrance oil to use in a formula!

Original post from November 16, 2010… An e-mail question came in asking this question…Can I make up batches of lotion and scent them later? What about things like body wash? The answer to this is simple. Yes. I’ll make up a large batch of lotion with all the ingredients, except the fragrance oils, and store...

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Formulating Friday: Creating emulsions with Simulsol/Lotionpro™ 165 – facial moisturizers (week six)

Welcome back to the Formulating Friday lotion making course/series using Simulsol/Lotionpro™ 165 (INCI: Glyceryl stearate and PEG-100 stearate). It’s the last week of this part of the series, and we’ll be making a low viscosity facial moisturizer with this emulsifier, along with the other ingredients I suggested you buy in the shopping list. (Click here...

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Formulating Friday: Creating lotions with Simulsol/Lotionpro™ 165 – Creams! (Week five)

Welcome back to the Formulating Friday advanced lotion making course/series using Simulsol/Lotionpro™ 165 (INCI: Glyceryl stearate and PEG-100 stearate). Today, we’ll be increasing the viscosity yet again to make a thicker, more moisturizing, more occlusive cream! If you’re new to this series, it might benefit you to read the sections and formulas that came before...

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