Concentrated formula of 1%2% is recommended for active hair restoration
PMID 34827158
Sun S, Yu Y, Jo Y, Han JH, Xue Y, Cho M, Bae SJ, Ryu D, Park W, Ha KT, Zhuang S
Vitamin b12 deficiency symptoms can include peripheral neuropathy (numbness and tingling in the hands and feet), problems with balance and coordination, memory loss, trouble concentrating, changes in mental status, and depression, among other symptoms
GHK-Cu is studied across two primary research domains: skin and tissue-related research, where its examined for its relationship to collagen and extracellular matrix activity, and cellular research more broadly, where its copper-binding structure makes it a subject of interest for gene expression and cell-signaling studies