is 4.5 mg ghk cu too much GHK-Cu Body Lotion 5000mg, Copper Peptide, 8oz – Neurogan Health GHK-Cu Peptide: Benefits for Tissue
Description
[192] engineered the FN III 9-10 and FN III 12-14 fragments through genetic manipulation, resulting in the development of a recombinant FN fragment, FN III 9-10/1214 , which was subsequently covalently conjugated to the fibrin scaffold

PMID 16539679

Radiance Boost: Evens out the appearance of skin tone for a healthy glow

Admittedly, study methodology in some of the human trials has not been robust

Enhanced collagen organization and improved cross-linking could theoretically tighten structures that have remained loose due to suboptimal original healing
