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This is where compounds like GHK-Cu become interesting

For Jerne this was, as he says, 'remarkable for two reasons: they are present in serum from a normal nonimmunized animal and their number increases enormously within a week after a single injection of a phage-antigen into this animal, i.e., before the serum obtains any appreciable phage-inactivating power' (Jerne, Sept 1955)

The ghk cu peptide acne category specifically benefits from a broader consumer shift toward regenerative skincare, where 68% of dermatologists surveyed in a 2024 American Academy of Dermatology poll recommended copper-based formulations over traditional retinoids for inflammatory acne patients

Grover P, Bhatnagar A, Kumari N, Narayan Bhatt A, Kumar Nishad D, Purkayastha J

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