Member exclusive Q&A: What should be the pH of our finished products for fruit acid complex?

In the January Q&A, Marta asked: What is the recommended pH for a facial product containing fruit acid complex or willow bark extract? You have discussed concerns about a pH being too low in formulations containing (straight) alpha hydroxy acids or salicylic acid. Yet, should one be reducing the pH in a product containing fruit acid...

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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: How to incorporate water soluble ingredients into anhydrous bars using an emulsifier

In the January Patreon Q&A, Emmi asked how we could incorporate water soluble ingredients into lotion bars, then casually mentioned she had Varisoft EQ 65 (positively charged emulsifier that we can use as a hair conditioner) that she might be able to use as an emulsifier. Yes, this is possible, so let’s take a look at...

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Member exclusive Q&A: How can we incorporate water soluble ingredients into lotion bars?

In the January Q&A for Patreon subscribers, Emmi asked: I have been experimenting with lotion bars. Though I do like the butter/wax/oil bars, they are a bit too greasy for me, and not so glide-y. I’m thinking of trying next with some butter/jojobawax/caprylic capric triglycerides. I’m not sure if the triglycerides improve the glide enough, so...

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Member exclusive Q&A: Creating less greasy feeling, more glidy lotion bars? A few thoughts and a formula

In the January Q&A for Patreon subscribers, Emmi asked: I have been experimenting with lotion bars. Though I do like the butter/wax/oil bars, they are a bit too greasy for me, and not so glide-y. I’m thinking of trying next with some butter/jojobawax/caprylic capric triglycerides. I’m not sure if the triglycerides improve the glide enough, so...

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