Should GHK-Cu be cycled?

No trial has tested a cycle length for GHK-Cu. Its half-life is short, on the order of an hour in the topical research reviewed here, which describes how long a single application is active, not whether repeated or continuous use changes the response.

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of cycling and clearance. Whether peptides need a break, what a half-life actually tells you, and where a real cycling mechanism has been measured. Full detail at /cycling.