AHK-Cu

Cited range Hair/skin research

ClassCopper tripeptide relative of GHK-Cu

Focus in catalogsFollicle and dermal research

Common formatTopical

EvidenceSmaller literature than GHK-Cu

What it is

AHK-Cu is a copper-binding tripeptide analogous to GHK-Cu, marketed more toward hair-follicle research than wrinkle cosmetics.

Benefits in plain language

What researchers and reference users usually mean when they talk about this compound. These are study themes and common claims — not a promise that it will do this in you.

A copper tripeptide cousin of GHK-Cu, talked about more for hair than face.
Hoped-for effects: calmer scalp, better-looking density, less angry follicle environment.
Same copper caveats as GHK-Cu. Topical is the usual community route.

If a branded, FDA-approved product exists, that label is the only dose that is actually authorized. Research-chemical vials are a different object.

Mechanism of action

Copper delivery plus proposed effects on follicle dermal papilla cells in small experimental papers. Not a well-mapped drug target.

Possible side effects / caveats

Copper staining, irritation, and the same copper-load caution as GHK-Cu if stacked.

Protocol ranges

Source tier	Amount	Frequency / duration	Notes
Cited topical	Leave-on serums, study-specific %	Daily scalp/skin application in catalog talk	No standard systemic dose
Cited injectable talk	Low-mg SC figures	Unstandardized	Weaker rationale than topical