Growth factors are a class of skincare which are relatively new. These are a result of new technology and are good news for aging, weak skin. As we age, obvious thinning and loss of firmness of the skin occurs from decreasing the tissue matrix in the dermis, just below the epidermis. Growth factors work deep in the skin to promote new collagen and elastin production, the chief constituents of the tissue matrix. The result is increased support and body of the skin. I like to incorporate growth factors in the skincare program for patients over 40 and those younger than 40 with significant sun damage.