What is PCA in skincare?
What is PCA in skincare? PCA, also known pyroglutamic acid or pidolic acid, occurs naturally in mammalian tissues, including the skin. It can be prepared from glutamic acid, an amino acid. PCA SKIN was founded in 1990 by an aesthetician and developed by a dermatologist. Our formulas are researched, designed, and executed by our in-house […]
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