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BPC-157 appears to act at the gene expression level, potentially influencing actin production, whereas TB-500 is thought to interact more directly as an actin-binding protein

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Main conclusions: GHK-Cu acts via 6 main mechanisms (described above) The endogenous decrease with age is documented in various populations Topical applications in dermatology are the best validated Antimicrobial effect , GHK-Cu also has a mild antibacterial profile The safety profile is excellent, no toxic doses were reached in animal studies Why it matters: This review became a reference source for the dermatological and cosmetic research community