Skin oxidation can impair physiological functions and induce skin diseases, such as photoaging and cancer. L-ascorbic acid (L-AA), or vitamin C, is commonly used in cosmetics because it is a potent ...
“[L-ascorbic acid] breaks down if it is exposed to sunlight so it must be in opaque sealed packaging—not in a cream with an open jar container, but in a pump,” says Dr. Jaliman. “Choose serums in ...
L-Ascorbic acid (L-AA) is the biologically active form of vitamin C, the general term used to name a set of compounds that also exhibit the biological activity of L-AA, such as L-dehydroascorbic acid ...
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L-ascorbic acid is water soluble ... Your vitamin C should come in a dark or opaque bottle. This helps prevent oxidation, which happens when it is exposed to sunlight or isn’t kept in an ...