Member exclusive Q&As: Do surfactants have a shelf life? Can we mix powdered extracts with oil? Do you have micellar water formulas?

In the January Q&A, Karen asked: I have a question regarding surfactants. Do they have a shelf life? I have tried the internet for information, but needless to say I have not gotten any definitive answers.  They do have a shelf life, something I confirmed recently in the ickiest way possible when I found a bottle...

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Member exclusive Q&A: Suggestions for a scalp refresher for low humidity levels?

In the December Q&A, Jennifer asked: Hi Susan, this time of year my scalp always goes absolutely crazy because the normal 70-90 percent humidity where I live drops to about 30! Itch and flake city! Do you have a good scalp treatment for the wintery scalp itches? I have looked around and see zinc and tea...

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Member exclusive Q&A: How to use many extracts in a product?

In June’s Q&A thread, Laura asked: Question about botanical extracts: I want to avoid using liquid extracts because may contain Phenoxyethanol and my clients DO NOT want it. Nor do they want Sodium Benzoate. There are not many available preserved with Leucidal Liquid. I do use some powdered extracts, but they tend to not dissolve,...

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