In this study, B12 levels were 244 pmol/l or more in all patients at baseline, but in those who improved, B12 levels almost quadrupled, whilst in non-responders B12 levels went up by only 50%
As treatment continues, patients may begin to notice: Smoother-looking skin Improved skin tone and texture Support for the appearance of fine lines Healthier overall skin quality Published reviews describe GHK-Cu as a copper-binding peptide associated with collagen-related skin support and improved appearance in anti-aging skincare settings
Peptides sold outside regulated medication channels may not match the stated contents
HW, BR, and JL performed the research and wrote the first draft
The common approach is alternating nights: tretinoin on its own evenings and GHK-Cu on the nights between, which gives skin recovery support without a tolerance or pH clash
Some people see results with just a few sessions, while others opt for a series over several weeks or months 1