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- PMC, Human skin penetration of a copper tripeptide in vitro as a function of skin layer - PMC - NIH, Food-Derived TripeptideCopper Self-Healing Hydrogel for Infected Wound Healing - PMC, In Vitro and in Vivo Studies of pH-Sensitive GHK-Cu-Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer - PMC, Selected Biomarkers Revealed Potential Skin Toxicity Caused by ..., Selected Biomarkers Revealed Potential Skin Toxicity Caused by Certain Copper Compounds - PubMed,