Q&A quickies! What do you use to colour your hair care bars? How can I preserve D’orientine well? Can we use Olivem 300 in place of polysorbate 80 in blooming bath oil? How do I eliminate bubbles in my lotion?

Sorry for falling behind on answering questions. I’m working on a ton of things for the blog right now, and this fell by the wayside. Let’s catch up on what you’ve been asking!  In the February Q&A, Donna asked: I’d like to put a color in my shampoo and conditioner bars to help differentiate between the...

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Q&A: Can we use food grade herbal supplements in our skin care products?

In the February Q&A, Marina asked, Hello, Susan (and everyone else!), what’s your opinion on using dry herbal extracts being sold for health supplements for skin care? Horse chestnut extract sounds intriguing to me, which I first found at New Directions Aromatics. Because of higher shipping cost and minimum order fee from NDA, I looked for...

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Originally on Patreon: Q&A: What’s the meaning of positive or negative charge?

In this post, How can we adapt our formulas to be more natural: Gelling agents, Catherin asked: What is the meaning of positive and negative charge? I wrote about this topic in this post on the blog – Anionic, cationic, and non-ionic– but I realized I’ve learned so much since 2011 and there are so...

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Q&A: Are there any non-non-ionic emulsifiers? How to use parabens in non-ionic products?

In the December Q&A, Mia Makes Things noticed, Something I just noticed… So non-ionic solubillizers and emulsifiers can deactivate paraben-based preservatives… but I have yet to come across a solubilizer or emulsifier (O/W or W/O) that is *not* non-ionic. So how do people manage to use paraben-based preservatives, like Germaben II or Phenonip, in any product?...

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Q&A quickie: Why do my conditioner bars look like this?

In this post on conditioner bars – Weekend Wonderings: All about conditioner bars – Cassandra asked, I’ve been making these conditioner bars and sometimes they do this. Why? They cooled too slowly and were probably on a surface that was bumped a little, even something as simple as writing something down and jiggling the table...

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