Currently, you'll purchase a product Nuavive Derma Serum lists in concert of its ingredients AHAs, it would possibly even contain AHA in its name, or you may obtain a product that contains a concentrate known as papain, that is a natural substance from the Papaya fruit. Therefore, yes papain is natural and yes this product could, depending Nuavive Derma Serum Reviews alternative ingredients, be known as a natural skin care product. However, papain may be a concentrate and as such several folks have experienced side effects because the papain is present in too high a degree for a few folks. Read more: http://www.proofferz.com/nuavive-derma-serum/