ghk-cu reddit peptide PSA] Albeit rare Copper "uglies" are real and scary. Case report and looking for advices : r/SkincareAddiction ghk cu peptide where to

Is GHK-Cu effective for acne scars

Extended Half-Life: Providing a prolonged experimental window for chronic, long-term animal longevity and weight loss trials without inducing receptor down-regulation artifacts

To help preserve structural integrity, add the chosen solvent slowly against the inside wall of the vial rather than directly onto the peptide cake, and avoid vigorous shaking

Absorption differences: injection vs topical Subcutaneous injection absorption: Rapid absorption into bloodstream Peak plasma concentration: 15-30 minutes 80-90% bioavailability Reaches target tissues quickly Systemic distribution Topical application absorption: Slower penetration through skin barrier Peak tissue concentration: 1-3 hours 5-15% bioavailability (most doesn't penetrate) Primarily local effects (skin where applied) Minimal systemic exposure Absorption comparison table: Why injection more effective: Direct systemic delivery Reaches all tissues Predictable dosing Lower total dose needed Better for body-wide effects When topical makes sense: Face/neck cosmetic use only Avoiding injections Already using skincare routine Combining both approaches (injection + topical) See our GHK-Cu 50mg copper peptide dosage guide for injection protocols