http://www.articleheaven.net en-us editorial@articlealley.com The skin can absorb in-depth moisturizers (which are designed to work at the dermis layer of skin) and surface-level moisturizers (which work on the epidermis layer)… but only if certain ingredients are used. First, you need to understand the skin ... http://www.articleheaven.net/the-best-moisturizing-ingredients-to-penetrate-skin-1248900.html 24th November 2009