Zinc Pyrrolidone Carboxylic Acid
Zinc Pyrrolidone Carboxylic Acid . The researchers investigated these effects by employing zinc salts of pyrrolidone carboxylic acid; It is also referred to as “zinc salt.” it is. The Ordinary Niacinamide 10 + Zinc 1 30ml Showpo from www.showpo.com Pyrrolidone carboxylic acid (pca), the primary constituent of the natural moisturizing factor. Zinc is involved in the. This section has been translated automatically.