ghk-cu news 2025 november - 200MG (Topical) GHK-Cu: The Copper Peptide for

Keeping Your B12 Levels Stable After Treatment Levels can dip again after treatment if the root cause hasnt been resolved

Topical GHK-Cu qualifies as Tier 3 (Pilot / Limited Human Data) it has controlled human trials demonstrating efficacy for specific dermatological endpoints

Vukojevic J, Siroglavic M, Kasnik K, et al

This peptide is the active ingredient in the topical copper peptides that have been sold as cosmetic agents on the dermatology shelf since the late 1980s, with the caveat being that topical GHK-Cu needs to penetrate the stratum corneum layer of skin before getting to the dermis, which houses the receptors for the peptide