The copper peptide serum your skin has been waiting for
Formulated with GHK-Cu 1% — the most studied copper peptide in modern skin science. Designed for anyone who demands real results, not promises. Fragrance-free, clinically inspired, built for skin that deserves better.
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October 15, 2026 · cupreskin.com
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GHK-Cu 1%
Copper Tripeptide-1 — the hero. Decades of peer-reviewed research behind collagen stimulation and skin renewal.
Triple Peptide Complex
Multi-pathway collagen synthesis for visibly firmer, more resilient skin from every angle.
Royal Jelly + Cica
Luxury actives for deep restoration, barrier repair, and lasting luminosity.
Ferment Complex
Five biofermented ingredients — Reishi and Shiitake mushroom — the K-beauty gold standard for radiance.
Beta Glucan
Outperforms hyaluronic acid in deep hydration studies. Partners with GHK-Cu for accelerated renewal.
Fragrance-Free
Pure actives only — no fragrance, no fillers. Safe for all skin types including sensitive and reactive skin.
I spent years looking for a serum that actually worked for my skin. When I discovered GHK-Cu, I couldn’t believe more people weren’t talking about it. So I built Cupré.”
— Suz Nguyen, Founder of Cupré