Topical Copper Peptides Affects surface layers of skin only Limited penetration through skin barrier Localized effect only where applied Good for maintenance, not transformation No systemic anti-aging benefit Available over-the-counter Injectable GHK-Cu Full systemic delivery to all tissues Reaches dermis, follicles, and healing sites Whole-body anti-aging effect More potent collagen stimulation Gene expression modulation (4,000+ genes) Requires medical prescription They are not mutually exclusive
Ko, K.Y., Park, S.R., Lim, H., Park, S., and Kim, M., Food Anal
You will find that there is a delay in the onset of a symptom from its cause
reported decreased IL-34 expression in thyroid tissue and serum, which correlated negatively with anti-Tg and anti-TPO antibody levels, and appeared to mitigate apoptotic severity