Hydrovance vs. urea (updated)

Jelena posted the following question: Do you know what is the difference between Hydrovance (INCI: Hydroxyethyl Urea) and Urea (INCI: Urea)? Which one is more moisturizing?   The short answer? I think the Hydrovance. Now for the long answer… Urea is a good humectant, found in the stratum corneum of our skin. It is a...

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The soaping effect (insert dramatic chord here).

A man's hand has a lotion spread on it. it's white, so it look like soap, which is why this is called the soaping effect

  I’ve written an updated and longer post on this topic, which you can find here – What’s the deal with the “soaping effect” or those white streaks from emulsions? I encourage you to read this post as it goes into much more detail. Consider the post you’re on now a summary. The soaping effect is...

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Mineral make-up: Chemistry of pigments

I thought I’d take a look at the chemistry of the pigments we use in mineral make-up with more detail on how to use the various pigments tomorrow.Inorganic pigments are formed from compounds of transition elements like iron, chromium, and so on. The colour is produced “as a result of the ease with which the...

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Periodic table of the elements sweater

Want to start on your Christmas present for the chemistry geek in your life? Why not consider this – the periodic table of the elements sweater! She includes the pattern for your knitting enjoyment! I’m a crafty girl and I knit…and she does provide the instructions…so why don’t I make one myself? I don’t have...

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Cationic quaternary compounds: Incroquat OSC

Incroquat OSC is Cetearyl Alcohol, PEG-3 Distearoylamidoethylmonium Methosulfate, Polysorbate 60. It is 25% active, meaning it contains 25% PEG-3 (I’m going to call it this because I don’t think I can type it over and over again!) with the rest being the fatty alcohol, and polysorbate 60. You’ll remember cetearyl alcohol is a fatty alcohol...

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