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

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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Q&A: Can I use Aminosensyl™ SC or HC in a solid foamy, bubbly, lathery™ body cleanser bar?

In the monthly Q&A, Anca asked, Hi Susan, I’d like to make a facial cleansing and conditioner bar. I was reading through your Body Cleansing Bars You Will Love zine, and I’m wondering if I could use AminoSensyl HC (INCI: Brassica Alcohol (and) Brassicyl Valinate Esylate) in place of BTMS-50 because it’s cationic but quat-free....

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Q&A: Can you use hydrolyzed proteins with xanthan gum in gelled facial cleansers? Part two, answering these questions!

In the monthly Q&A, Samantha asked, I’m trying to learn more about gel facial cleansers thickened with more “natural” ingredients. I can’t seem to find the answer to this question after searching your blog. Should I not use hydrolyzed proteins in products thickened with xanthan gum? I’m learning to only use quaternized proteins in cationics, but...

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Q&A: Can you use hydrolyzed proteins with xanthan gum in gelled facial cleansers? Part one, what’s a gelled facial cleanser (with formulas)

In the monthly Q&A, Samantha asked, I’m trying to learn more about gel facial cleansers thickened with more “natural” ingredients. I can’t seem to find the answer to this question after searching your blog. Should I not use hydrolyzed proteins in products thickened with xanthan gum? I’m learning to only use quaternized proteins in cationics, but...

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Q&A: Is honey safe to use in lip balm? Will it work in an anhydrous (waterless) product?

In the monthly Q&A, Christi asked, Hi Susan- I’m a recent groupiey🤣. Been formulating for a year and I’m currently enrolled in multiple courses at Formula Botanica. I my question is about honey, primarily Manuka Honey and the huge honey debate about if it’s safe to use in lip balm. I have made balms with...

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