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Full agonism of these GPCRs through both G-protein and -arrestin signaling arms may be suboptimal, promoting undesirable off-target effects and receptor desensitization
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
But medication without therapy is rarely enough on its own
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