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GHK-Cu Topical Serum is best for people researching skin texture, hair research, collagen signaling within the broader skin & hair category
Direct spray can damage the peptide
Look for 1% to 3% Concentrations: Research suggests 1% is effective for daily maintenance, while 3% is better for post-procedure repair or targeted anti-aging
Your body communicates with itself using tiny protein signals called peptides
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