Research desk

A peptide news feed that treats sources with respect

We keep the stream editorial and source-first: regulatory updates, clinical developments, and research headlines, without mixing them into sales-y ticker copy.

Copper Peptide Concentration Found Critical for Collagen Synthesis Outcomes

New in-vitro research suggests that the concentration window for optimal GHK-Cu activity is narrower than previously thought, with both sub- and supra-therapeutic concentrations producing suboptimal collagen mRNA expression in dermal fibroblast cultures.

Mar 15, 2026Mar 15, 2026