Sources: Pickart & Margolina, Int J Mol Sci 2018 (PMID: 29986520) | Pickart et al., BioMed Res Int 2015 (PMID: 26236449) Security Profile & Chemical Identity Molecular specifications and documented tolerance in clinical studies GHK-Cu Chemical Identity Natural copper complex of the tripeptide glycyl-L-histidyl-L-lysine GHK-Cu Tolerance & Status Safety data from clinical and cosmetic studies Published Clinical & Preclinical Data Key studies published in Int J Mol Sci, BioMed Res Int and dermatological journals -55.8% Reduction in wrinkle volume after 12 weeks of topical application of GHK-Cu cream Anti-Aging Results (12 weeks) 4 000+ Human genes modulated by GHK-Cu (31.2% of the genome) Genomic Impact + 70 % Increased collagen synthesis in human skin fibroblasts Collagen Stimulation Comparison Published Clinical & Preclinical Data Key studies published in Int J Mol Sci, BioMed Res Int and dermatological journals -55.8% Reduction in wrinkle volume after 12 weeks of topical application of GHK-Cu cream Anti-Aging Results (12 weeks) 4 000+ Human genes modulated by GHK-Cu (31.2% of the genome) Genomic Impact + 70 % Increased collagen synthesis in human skin fibroblasts Collagen Stimulation Comparison Important Notice Search Only Not intended for human consumption

On the other hand, uremic toxins such as indoles, ammonia, and trimethylamine N-oxide, which are produced by the gut flora, are generally considered to be harmful substances (6)
doi: 10.1177/156482650202300302 [75] Tamer G, Arik S, Tamer I, Coksert D
It is safer to replace the vial instead of the danger of contamination
molecular weight affects skin layers