Salt of glutamic acid, an amino acid that occurs widely in food. Used in appropriate concentrations, it acts as a humectant to help attract and retain moisture to the skin.
Sorbitol ...
SODIUM PCA: The sodium salt of pyroglutamic acid. A high performance humectant (water binder) found naturally in all living cells. It is commonly referred to as the "natural moisturizing factor".
Polyphenols , such as hydrolysable tannins(especially ellagitannins and other gallic tannins) Oligopeptides and proteins Free amino acids, in particular aspartic acid, glutamic acid and arginin ...
Sodium PCA Sodium salt of pyrrolidone carbonic acid, enzymatically derived from glutamic acid, used as humectant and as anti-static agent in hair care products.
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 See also: Active, Acne, Body, Protein, Emollient
  
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