ghk-cu hair growth study human randomized Guide: Protocols & Results for Canadians ghk-cu hair growth clinical study

Technical Specifications Compound: Glycyl-L-Histidyl-L-Lysine Copper Complex (GHK-Cu) Format: Lyophilized peptide powder Strength: 50 mg per vial Purity: 9899% (COA included) Appearance: Blue-tinted lyophilized powder Category: Research peptide reagent Intended Use This product is intended solely for: Laboratory experimentation Controlled in-vitro research Molecular and biochemical pathway studies Metal-peptide interaction research Non-human preclinical modeling Academic and institutional scientific projects Not intended for: Human or animal consumption Injection, ingestion, inhalation, topical, or cosmetic use Medical, therapeutic, or dermatological applications This material is not approved by Health Canada, FDA, or any regulatory body for clinical or cosmetic use

GHK-Cu adds another layer of concern because FDA has specifically discussed immunogenicity risk for injectable GHK-Cu related to potential aggregation and peptide-related impurities

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Cleveland Clinic resources (updated 2025) caution that efficacy claims lack robust RCTs and that purity varies substantially across formulations (1050% active in products)

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