Both medicines are administered as subcutaneous injections, typically once weekly, and are still undergoing large-scale clinical trials
Topical vs Injectable: Evidence Comparison The two delivery routes have fundamentally different evidence profiles: Topical GHK-Cu has decades of published clinical trial data for skin aging, wound healing, and hair density
Studies show both daily and weekly shots can work, depending on the patients situation
The best approach often combines several interventions simultaneously because hair loss is typically multifactorial
Allergy 58, 961972 (2003)
Signs It Should Be Discarded Cloudiness or floating particles Discoloration Expired beyond 28 days post-opening Broken seal or cracked vial Storage Best Practices To ensure bacteriostatic water remains sterile and safe for injection: Store between 20C to 25C (68F to 77F) Avoid direct sunlight or extreme heat Keep the vial sealed when not in use Always use a clean syringe for each draw Bacteriostatic water is effective for up to 28 days after opening, assuming it's stored and handled properly