The Peptide Report
A regulatory breakdown of how topical GHK-Cu and SNAP-8 are classified under US cosmetic law in 2026. Learn what's legal, what's not, and how to verify a legitimate provider.
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.
