The Peptide Report
A regulatory deep-dive into the legal status of GHK-Cu in 2026, including its cosmetic ingredient classification and how topical peptide balms differ from injectable markets. Learn what to look for when buying GHK-Cu products safely.
GHK-Cu has become one of the most talked-about peptides in skincare — but its legal status depends entirely on how it's used. Here's exactly where topical copper peptides stand under US law in 2026.
