Question: Polysorbate 20 vs. polysorbate 80

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Anonymous posted this question in this post: What’s the difference between polysorbate 80 & 20? Polysorbates are ethoxylates of fatty acids esterified with anhydrosorbitol. Polysorbate 20 is a polyoxyethylene derivative of sorbitan monolaurate whereas polysorbate 80 is a polyoxyethylene derivative of sorbitan and oleic acid. And as much as I love chemistry, I realize this really...

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Question: Can you use cetrimonium chloride in a shampoo?

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Lalla asks in this post: Can I use cetrimonium chloride in a shampoo? Yes! (Well, that was easy, eh?) But wait, there’s more! Cetrimonium chloride plays well with surfactants, so it’s a great inclusion in a conditioning shampoo (especially one for very tangly hair) and it removes silicones well, so it’s a great inclusion in a...

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Shampoo: Making a 2-in-1 conditioning shampoo (normal to oily hair)

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I admit I’m not the biggest fan of the all in one kind of product – but then again, I have long, coarse hair that likes some serious conditioning without oils, so who am I to talk? – but we can make one by modifying yesterday’s daily use shampoo with only a few tweaks! Someone...

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Question: How does Lush use fresh fruit in their products?

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Anonymous posted this comment: My interest in you replicating the lush bar is that I was hoping you could explain what exactly is implied when they list ingredients such as “fresh kiwi” or “fresh bananas”. I’ve never understood how you could include fresh fruit in preservative free conditioner bar. For a company that goes on...

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Shampoo: Strengthening shampoos

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I am noticing a real trend in advertising shampoos as “strengthening” your hair. (I’m looking at you L’Oreal and Herbal Essences). What exactly does this mean? How does a shampoo strengthen? Well, it doesn’t. (I kinda of covered this topic in my post on L’Oreal’s EverStrong shampoo…) Using the right kinds of surfactants in the right...

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