View Study [7]"Skin Care Benefits of Copper Peptide Containing Facial Cream (as reviewed in Pickart & Margolina 2018)" Leyden J, Stephens T, Finkey MB, Appa Y, Barkovic S, 2002 Finding: A facial cream containing GHK-Cu applied for 12 weeks to 71 women with photoaging increased skin density and thickness, reduced laxity, improved clarity, and reduced fine lines and wrinkle depth
Symptoms include hives, urticaria, facial swelling, and in severe cases, anaphylaxis
In addition, functional studies of individual GSTs proved in several cases that these enzymes can positively contribute to antimicrobial resistance in host plants by mostly unknown mechanisms (Dixon et al., 2009
Most skin types, including oily, dry, sensitive, acne-prone, and combination, tolerate it well when its formulation is correct
PubMed Knudsen, L.B., & Lau, J