Anybody who wants to ensure the fast healing. I explained in my blog , and book, why more  (of anything!) is not always better. For example, high concentrations of copper, complexed with a peptide or as a  salt, will inhibit collagen synthesis. In other cases, more of a particular ingredient will not be deleterious but will not benefit you either; it will, however, be a waste of money. Let’s be clear: the EGF concentration in Skin Actives “normal” products is sufficient. In fact, Skin Actives products containing growth factors have been helping SAS customers for more than 15 years. But, if you are in a situation where you want to … Continue reading Who needs high concentration Epidermal Growth Factor products?