GHK-Cu

Copper peptide that drives collagen synthesis and skin regeneration.

Typical dose range: 1–2 mg (injectable) / topical 0.05–0.5%

Frequency: Daily

Route: Subcutaneous or topical

Half-life: ~1 h

Evidence level: Lab + clinical (topical)

Overview

Popular for skin and post-surgical recovery. Topical use is the most validated form; injectable use is more anecdotal.