Gold et al., 2021)
Morning application protocols If you choose morning application, structure your routine to maximize effectiveness
1-2 months on, 1-2 months off for ongoing protocols Research status: The bulk of the evidence base comes from in vitro studies and animal models, with a small number of human cosmetic trials (8-12 week topical application) confirming effects on skin density, wrinkle volume, and collagen production
Reviewed by the PeptideMind Team Updated July 28, 2026 GHK-Cu Dosage Calculator, Benefits & Side Effects Use our free GHK-Cu (copper peptide) dosage calculator for mg ranges and injection/topical protocols, plus collagen and skin-healing benefits and side effects to know
What Are the Risks
Similarly, a pilot study in 2015, a clinical trial (randomised) on 42 healthy human participants, receiving oral (tablet form) dosages of BPC 157 was carried out (Clinicaltrials.gov 2018): 0.25, 0.5, 1 and 2 g/kg