Any decisions about starting or stopping should be made with support from a qualified clinician who understands your fertility goals
Vitamin B-12 is for injection only
QUICK ANSWER GHK-Cu is a naturally occurring copper peptide that acts as a signaling molecule, telling the body to increase collagen production and reduce inflammation
B12 levels can be increased through diet, supplementation, prescription medication or injections
Combining with Other Ingredients (Retinoids, Acids) Although copper peptides promote repair and collagen synthesis, avoid simultaneous use with highly irritating ingredients: Retinoids (Vitamin A derivatives): Can accelerate exfoliation and may react with copper ions, increasing irritation
Wambier Journal JAAD International (Journal of the American Academy of Dermatology) Year 2025 Study type Retrospective clinical study with blinded evaluation and AI-assisted assessment Sample size 7 male patients, ages 2855, Norwood-Hamilton IIIIV Full paper PubMed PMID 40225275 Full text (PMC) DOI: 10.1016/j.jdin.2025.01.012 Reviewed by: Esther Bodde Cosmetic & Medical Doctor (MD) Why This Research Matters This 2025 study is one of the first to combine three active ingredients minoxidil, dutasteride, and copper peptides delivered directly into the scalp using a medical-grade tattooing technique