ahk-cu reddit Ghk-cu, topical : r/Biohackers party tested and 99% purity confirmed by in AHK-CU vs. GHK-CU – Neurogan

Most effective depends on the goal: GHK-Cu tends to be most effective for global skin rejuvenation (texture, fine lines, recovery after procedures)

Using them in sequence (lighter AHK-Cu spray first, followed by GHK-Curich creams or serums) allows each peptide to optimize a different aspect of skin biology

Pickart, L., & Margolina, A

GHK-Cu vs AHK-Cu: Which Copper Peptide Is More Effective

GHK-Cu rebuilds the structural architecture of the dermis, increasing collagen density and improving the skin's capacity to retain moisture and resist mechanical stress

Unlike retinoids or exfoliating acids, they do not typically cause irritation, peeling, or photosensitivity