INCI Name:
PCA stands for Pyrrolidone Carboxylic Acid and though it might not sound like it, it is a thing that can be found naturally in our skin. In fact, after amino acids, it is the second biggest NMF component of the skin with 12% being PCA of the NMF composition of normal skin. So similar to other NMFs, it's a skin goodie that helps the skin to hold onto water and stay nicely hydrated.
A synthetic peptide that reduces the production of pro-inflammatory interleukins (IL-6 and IL-8).
Phenoxyethanol is a synthetic preservative widely used in cosmetics.
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