Cheapest Price Isagenix Ageless Renewal Serum: Buy Isagenix Ageless Renewal Serum Isagenix Ageless Renewal Serum contains a high concentration of naturally derived epidermal growth factors—other serums don’t contain anywhere near this many. Our serum also contains soluble collagen, antioxidants and matrix proteins found in young, healthy skin that improve skin texture and the appearance of wrinkle depth and elasticity.

What are epidermal growth factors? Are they different from Polypeptides, Cytokines?
The appearance of human skin is improved, and cutaneous senescence is decreased, by topically administering an effective amount of growth factors consisting essentially of epidermal growth and fibroblast growth factor and a mixture of cytokines such as interleukins that function as anti-inflammatory agents all combined in a pleasant liquid form without perfumes or additives.

Growth factors are a family of small proteins and thus can be called “polypeptides”; cytokines are also called polypeptides because they are tiny proteins that send messages typically from cell to cell without entering the blood stream.
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