Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

AHK-CU vs GHK-CU for Hair

Factor AHK-CU GHK-CU Hair follicle targeting Strong, specific Moderate, general Wnt pathway activation Yes Limited DHT inhibition Some evidence No direct effect Scalp repair Good Excellent Research depth Less extensive More extensive Skin benefits Secondary Pr

This source-based comparison does not add ratings or recommend a winner.

  • Factor
  • AHK-CU
  • GHK-CU
  • Hair follicle targeting
  • Strong, specific
  • Moderate, general
  • Wnt pathway activation
  • Yes
  • Limited
  • DHT inhibition
  • Some evidence
  • No direct effect
  • Scalp repair
  • Good
  • Excellent
  • Research depth
  • Less extensive
  • More extensive
  • Skin benefits
  • Secondary
  • Primary
  • For hair restoration specifically, AHK-CU offers more targeted action. For general scalp health and skin benefits that may indirectly support hair, GHK-CU remains valuable. Many hair loss protocols incorporate both.