207 In the index

GHK-Cu GHK-Cu

A naturally occurring, copper-containing peptide used in skin creams for wound healing and anti-aging. Human studies support modest skin benefits when applied topically; there's much less evidence for injecting or ingesting it for broader body-wide effects.

Also known as Copper tripeptide-1

Effects Heal Skin and hair

Routes Subcutaneous Topical

Legal status Research chemical

WADA Not listed

Reported dosing

User-reported

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose Topical concentration of roughly 1-2%; injectable protocols of 1-2 mg/day also reported

Reported range Topical 0.5-3%; injectable 1-3 mg/day

Route Topical or subcutaneous injection

Frequency Once or twice daily

Duration Ongoing (cosmetic use) or 4-8 week course (injectable, unregulated use)

Well-studied topically as a cosmetic copper-peptide ingredient; injectable use for broader anti-aging/healing claims is unregulated and far less studied.

Where this comes from Cosmetic-industry and dermatology studies (topical); user-reported literature (injectable)

There is no approved human dosing for this compound. The figures above are what users and vendors report, not what has been established as safe or effective. Treat them as a record of what is done, not as guidance.