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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

Vitamin B12, or cobalamin, is a water-soluble vitamin essential for red blood cell production, nervous system health, DNA synthesis, and energy metabolism

The symmetry of neural stem cell and progenitor divisions in the vertebrate brain