Professor Dr Patrick Treacy has cautioned against the current hype surrounding peptides, emphasizing that aesthetic medicine must remain grounded in solid clinical evidence rather than marketing GHK Cu vs AnagenX: Which Peptide Approach Supports Hair Growth Best? The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Peptide Therapy for Aesthetics The Villages Infinity Medical Institute