AHK-Cu

Mechanism.

AHK-Cu is a copper-binding tripeptide (Ala-His-Lys-Cu) structurally related to GHK-Cu, the well-studied copper peptide. It has been investigated for its ability to stimulate hair follicle growth, promote collagen synthesis, and support wound healing. Research is primarily in vitro and in cosmetic science contexts.

Think of AHK-Cu as a delivery truck that brings copper — a key building material — directly to your skin and hair follicle construction sites, helping workers (cells) build stronger structures and grow faster.

Values below reflect commonly reported community protocols for AHK-Cu. These are anecdotal and unregulated — not clinically validated and not a recommendation. Provided for educational purposes only — this is not medical advice and not instructions for self-administration. Consult your healthcare provider before making any health decision.

Primarily used in topical cosmeceutical formulations. No established injection protocol. Research compound with limited clinical data.

Side effects, rare serious events, who shouldn't.

Every study we cite.

Each study with its published finding and a plain-language note on limitations or funding.

Where you can get it.

Questions to bring.

Every citation, numbered.

Citation list. For our editorial read of each study — including bias flags and quality grades — see the Research log above.

1. 01.
   Tripeptide-copper complex stimulates hair growth in vitro · 2007
2. 02.
   Copper peptides in dermatology · 2015