Editor pick
GHK-Cu & skin
Injectable Peptides for Anti-Aging? A Dermatologist Explains GHK-Cu
A board-certified dermatologist separates topical copper-peptide evidence from the newer injectable GHK-Cu trend using a clear, product-specific visual explainer.
82K views · 536 comments · 2.7M subscribers · checked Jul 10, 2026
Topical GHK-Cu has a longer cosmetic research record than injectable GHK-Cu. Human evidence for injectable use remains limited.