ghk-cu clinical trials dosage humans human studies or trial dose aka the beauty peptide., I've got GHK-Cu Peptides Before and After:

Photo by Innerbody Research Though accepting the passage of time and all that comes with it is an entirely valid choice, youre far from alone if youd rather try to fight it, or at least try to reduce its impacts on your physical appearance

The "minimal initial benefit" group (approximately 5-10% of users) reported limited improvements during treatment making discontinuation effects irrelevant, typically explained by inadequate product quality with degraded or low-concentration GHK-Cu, inappropriate application technique reducing absorption, unrealistic expectations exceeding what any topical can achieve, severe underlying pathology requiring medical intervention beyond cosmetic peptides, or individual non-responsiveness to copper peptide treatment for genetic or physiological reasons

The dose size stays 10 units throughout

Bertschi, A., Wang, P