ghk-cu recommended dosage injection adults Copper Peptide Therapy Chicago GHK-CU aka the beauty peptide.,

Chang Gung Med J

doi: Sapkota B, Rampure R, Gokden M, Kanuru S

Well-structured treatments lasting 6-12 months with appropriate concentrations typically maintain noticeable improvements over pre-treatment baseline including reduced fine lines (though not eliminated as during peak treatment), improved skin texture and firmness (though less dramatic than treatment peak), better overall skin quality and appearance (though aging continues at normal rates), and resolved specific issues like scarring or hyperpigmentation (which typically remain improved permanently if successfully treated)

Vitamin C and glutathione work together in a synergistic cycle