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doi: 10.4415/ANN_10_03_10 28 BorthwickG
Copper ions catalyze the oxidation of Vitamin C (ascorbic acid), causing it to break down rapidly and potentially creating irritating byproducts
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Supporting the production of growth factors that stimulate tissue repair
Circulation 117 , 23402350 (2008)
(Note: These aren't the same as freckles, which I adore.) AdvertisementADVERTISEMENT After a week of using it both morning (and eventually night, too), I was pleased that there was no irritation nor breakouts to report although, I have to admit having what I described as quite resilient "rhino skin" to my aforementioned team of fellow beauty editors
