Let’s talk about making substitutions for preservatives in my formulas! (Very long post!)

This is a long post that didn’t have a logical place to make cuts, so rather than spend time re-writing it, here’s a few days of posts in one!  For a while now, I’ve shared charts with you so you can make substitutions for the preservatives that you have in your workshop if you can’t...

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Let’s talk about potential restrictions on preservatives!

There may be restrictions on certain preservatives in your part of the world, something to keep in mind when you’re following formulas or creating new ones. I do my best to keep up to date on these things, but I can’t possibly know every single restriction outside of Canada or the USA because I only...

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Q&A: What’s the process to thicken surfactants with salt?

In the monthly Q&A, Chavi asked, Hi Susan, I often see you mention if a surfactant blend can be thickened with salt. Could you describe the actual process of thickening with salt? Thanks! Adding salt – sodium chloride, table salt – is a good way to thicken certain surfactants and blends! It does this in two...

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Let’s talk about what it means for an ingredient or product to be vegan!

This came up the other day, and I thought it’d make for an interesting post. What does it mean for an ingredient or product to be vegan? Quick summary if you don’t want to read the whole post: When it comes to making products, most of our ingredients are plant- or mineral-derived (like sand or...

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Tips & techniques: Testing and adjusting the pH of a emulsion with a pH meter

Welcome to this detailed page on how to test emulsions – like lotions and conditioners – with a pH meter! If you’d like to read a longer post with even more information, you can find it here – Acids, bases, and pH – oh my! Part four: Testing our products with pH meters!  If you’d like...

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