GHK-Cu (topical) half-life
How long GHK-Cu (topical) stays active in the body, what that means for your dosing schedule, and where to buy.
GHK-Cu (topical) half-life
N/A (topical residence time ~12h)
Typical dose
Apply serum nightly to clean skin
What half-life means for GHK-Cu (topical)
Half-life is the time it takes for half the compound to be cleared from the body. Shorter half-lives (< 4h) usually require daily or multiple-daily dosing to maintain levels; longer half-lives (days) support once-weekly protocols.
For GHK-Cu (topical), the characterised half-life is N/A (topical residence time ~12h). This directly informs the typical protocol of Apply serum nightly to clean skin.
Full mechanism, benefits, and dosing guidance on the main GHK-Cu (topical) page.