Polyphenols: Caffeic acid and its derivatives (updated)

So we know polyphenols are good things to have in our extracts and oils, so let’s begin – in no particular order – with the derivatives of caffeic acid. I’m putting these in separate posts every day to make it easier to link back as we discuss extracts!   We discussed cinnamic acid, the precursor...

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Polyphenols: Hydroxybenzoic acids – benzoic acid, hydroxybenzoic acid, gallic acid

BENZOIC ACID Benzoic acid is the simplest aromatic carboxylic acid on which so many of our wonderful polyphenols are based. It differs from the phenolic moiety we saw earlier today (click here) with the addition of that double bonded oxygen before the -OH. This means it becomes a carboxylic acid (which isn’t that relevant at...

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Polyphenols: It’s chemistry time!

Since I’m investigating the awesome power of extracts, I thought we’d take a closer look at polyphenols. I know I’ve done a post on polyphenols in the past, but let’s get a little more in depth! So what exactly is a polyphenol? A polyphenol is defined as a compound that possesses a phenolic moiety. Okay,...

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Astringents – are they moisturizing?

Anonymous posted this as a comment…When you say “astringent” it makes me think “drying out” – but that’s not the case with “astringent” oils and butters? I used to think I liked drier lotions too until recently. I find they don’t leave the (greasy, if you will) layer that I guess I like! But I...

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Heat protecting hair care products – round up!

So what have we learned by taking a look at the ingredients in heat protecting hair care products?What was the same? Each product contained dimethicone, water soluble or oil soluble, in differing amounts. Each contained conditioning agents, usually as a cationic quaternary polymer as opposed to an intense conditioner as a cationic quaternary compound (like...

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