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Natural Moisturizing Factor in Human SkinKeep Skin Fresh and Hydrated for Face and BodyNon OilyParaben FreeVeganLeaping Bunny®; Cruelty-FreeNa-PCA HYDRATING MIST is a pH-balanced concentrated solution of the sodium salt of pyrrolidone carboxylic acid a natural moisturizing factor found in human skin. Na-PCA is synthesized from glutamic acid a nonessential amino acid.The skin contains natural moisturizers the most important being Na-PCA Old skin contains only about half the amount of Na-PCA as that found in young skin. The ability of skin to hold moisture is related to its Na-PCA content. It is water and not oil that keeps skin soft and supple. Na-PCA helps keep skin moisturized improving its appearance and giving it a dewy and beautiful glow.Since it will not clog pores you can feel comfortable using this natural moisture source in many ways to keep your skin fresh and hydrated:Use to moisturize under make-up or skin cream.Keep spray in refrigerator to refresh and cool down on summer days.