Each method has limitations
Though considered rare, some people have reported anaphylactic responses
Nat Commun 8: 1174 Hopkins L, Parmar S, Baszczyk A, Hesse H, Hoefgen R, Hawkesford MJ (2005) O-acetylserine and the regulation of expression of genes encoding components for sulfate uptake and assimilation in potato
In keratinocytes, GHK-Cu has been shown to downregulate inflammatory cytokine production in response to challenge including IL-1, TNF-, and IL-6, the inflammatory mediators most associated with the chronic scalp inflammation seen in androgenetic alopecia.4 In fibroblasts, GHK-Cu stimulates collagen and elastin synthesis, supporting the structural matrix that follicles depend on for anchoring and nutrient supply
Enhances Skin Cell Turnover The application of glutathione helps you get even-toned and brighter skin as it promotes cell turnover
Cycle Most community protocols run 612 weeks total, often loading + maintenance