By shifting melanogenesis towards pheomelanin (lighter pigment) rather than eumelanin (darker pigment), it helps create a visibly brighter, more uniform complexion
Demeyere, R., Lormans, P., Weidler, B., Minten, J., Van Aken, H., and Flameng, W
Those human clinical trial results are notable for a non-prescription, oral product and show how thoughtful formulation and supportive lifestyle steps can produce meaningful outcomes for some people
Serious concerns with unregulated/high-dose use: infections from non-sterile settings, kidney or liver stress at very high doses over time, and (rarely) thyroid disruption
Peptides are also safer for a larger range of people, including those with heart issues who want to have a healthy sex life, because they work through the neurological system rather than the cardiovascular system