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Tetrahexyldecyl Ascorbate: Yay or Nay?
I recognize that everything is overrated, but I’ve just realized that tetrahexyldecyl ascorbate is not actually an antioxidant, per the description from Sytheon, which sells this as an ingredient: “Tetrahexyldecyl Ascorbate is a very stable, oil-soluble Vitamin C ester but has no inherent capabilities as an antioxidant because all hydroxyl groups are esterified.” I had always thought THD was a weaker, oil-soluble form of vitamin C, but I guess that’s not really true because your skin has to convert it to vitamin C?Any thoughts from Forum members about whether this is still a good/great ingredient? -
1 Reply
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to my mind ascorbyl isostearate is better, as the molecular weight is lower and you get more active material per % w/wplus you only have one ester group instead of four, so it acts more quickly
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