ghk-cu benefits peptide “Is actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, The Human Tripeptide GHK-Cu in

When copper accumulation occurs, symptoms include persistent redness, increased inflammation, skin sensitivity, and paradoxically accelerated aging

And while proprietary blends are sadly not uncommon in nootropics (and Alpha BRAIN isnt the worst offender, at least breaking down their blend into three separate smaller blends), it isnt something that gives us confidence, and it cost Onnit a recommendation from us in this context

Early-stage thinning with mostly intact follicles responds better than advanced loss where follicles have been miniaturized for years

A synthetic hexapeptide (Argireline) with antiwrinkle activity

Evidence Gaps# Direct head-to-head comparison studies between GHK-Cu and related peptides are absent from the published literature

Consider combining with appropriate skincare or wound-care protocols as relevant to individual goals