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Don’t trust “those” numbers! Advertising of “vitamin C skincare” products

December 8th, 2020 by Dr. Hannah Sivak

Numbers make statements look more “attractive”, and advertisers use this psychological tool to manipulate people into buying junk. What does it mean by “50x more effective than other forms of Vitamin C”?     Nothing. But that 50X catches your attention long enough for you to pay  $140 for 30 mL of nothing serum. Numbers are no good unless there is a precise description of how they were obtained. Numbers are no good unless you can trust the source. And yet, the advertised chemical, tetrahexyldecyl ascorbate (THD ascorbate) is likely to have 0 (zero!) vitamin C activity. How do you measure vitamin C activity? Scurvy is caused by vitamin C deficiency and…

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