GHK-Cu research review: skin, hair, and the injectable evidence gap
Strong topical literature, thin injectable data — a compound with a genuinely split evidence base.
ScienceGHK-Cu
Also known as: Copper peptide, GHK-copper complex
ClassNaturally occurring copper-binding tripeptide
Research statusCosmetic use / preclinical
Independent tests2
Studies indexed1
Overview
GHK-Cu is a naturally occurring tripeptide with high copper affinity, first isolated from human plasma. It has a comparatively deep literature in dermatological and wound-healing contexts and is widely used in topical cosmetics, where its regulatory position is more settled than most peptides we cover.
Research & Studies
Studies library-
The human tripeptide GHK-Cu in skin remodeling and regeneration
Comprehensive review of GHK-Cu dermatological evidence including controlled cosmetic comparisons.
Independent Testing
Testing databaseLaboratory verification of GHK-Cu products across the companies we index.
GHK-Cu Northstar Research Labs
Purity 98.3% Verified
GHK-Cu PureSci Labs
Purity 98.8% Verified
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