Copper Tripeptide‑1 (GHK‑Cu) – The Clinically Proven Signal Peptide for Collagen Regeneration, Wound Healing & Skin Rejuvenation
A naturally occurring human plasma peptide that declines with age. Restores youthful skin function by stimulating collagen, elastin, and glycosaminoglycans, reducing wrinkles, and accelerating wound repair – with minimal irritation.
Product Overview:
Copper Tripeptide‑1 (GHK‑Cu) was first isolated from human plasma in 1973 by Dr. Loren Pickart. It is a small, naturally occurring signal peptide that forms a complex with copper (Cu²⁺). This complex is essential for many copper‑dependent enzymes involved in connective tissue formation, antioxidant defence, collagen synthesis, and cellular respiration. GHK‑Cu also acts as a powerful antioxidant by neutralising toxins produced during lipid peroxidation and helps lower free copper ion levels to prevent oxidative damage.
| Benefit | Mechanism / Data |
|---|---|
| 🧬 Stimulates collagen & elastin | In vitro: significantly increased collagen production in human dermal fibroblasts at 24, 48, and 72 hours (p<0.05). |
| ✨ Reduces wrinkles & tightens skin | 12‑week clinical study (twice daily GHK‑Cu cream): visible improvement in firmness, fine lines, roughness, and pigmentation (see before/after). 20MHz ultrasound showed increased skin density and thickness. |
| 🩹 Accelerates wound healing | GHK‑Cu promotes fibroblast proliferation, reduces TNF‑α induced IL‑6 secretion (anti‑inflammatory), and stimulates nerve growth factor. In vivo: treated surgical scars healed faster and became less visible at 3 and 6 months vs. placebo. |
| 🧴 Anti‑inflammatory & antioxidant | Suppresses pro‑inflammatory cytokines; protects cells from oxidative stress; mimics the effect of youthful blood on aged cells. |
| 🌿 Restores regenerative capacity | GHK‑Cu levels in human blood drop from ~200 μg/mL at age 20 to ~80 μg/mL at age 60. Supplementation helps reverse age‑related decline in tissue repair. |
| ⚡ Safe & well‑tolerated | Non‑irritating, non‑cytotoxic; widely used in premium anti‑aging and repair products. |
| Parameter | Value |
|---|---|
| INCI Name | Copper Tripeptide‑1 |
| Appearance | Blue powder or solution (characteristic copper colour) |
| Purity | ≥95% (HPLC) |
| Molecular weight | ~340 Da |
| Recommended dosage | 0.5 – 5.0% (of a 2000 ppm stock solution) |
| Formulation pH | 5.0 – 7.0 (optimal) |
| Addition temperature | <40°C (cool‑down phase) |
| Incompatibilities | Avoid strong oxidising agents, chelators (EDTA), and very low pH (may cause copper release and colour change). |
| Applications | Anti‑aging serums, eye creams, scar repair gels, post‑laser care, wound healing formulations, hair growth products. |
Proven Efficacy (summary):
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Collagen synthesis (in vitro): GHK‑Cu significantly increased collagen production in fibroblast cultures (24‑72h).
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Anti‑wrinkle & skin firming (12 weeks, n=70): Visible reduction in fine lines and roughness; ultrasound showed increased dermal density and thickness.
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Wound healing (human surgical scars, 6 months): GHK‑Cu‑treated scars healed faster, became less visible, and had well‑organised collagen bundles vs. placebo (disorganised, more inflammatory cells).
Why Formulators Choose GHK‑Cu:
✅ Clinically validated – decades of research, used by global brands (Lancôme, L’Oréal, etc.).
✅ Multi‑targeted – boosts collagen/elastin, reduces inflammation, accelerates healing, antioxidant.
✅ Safe & gentle – well‑tolerated, no cytotoxicity.
✅ Easy to formulate – water‑soluble, stable at pH 5‑7.
Formulation Guidelines:
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Dosage: 0.5 – 5.0% (1‑3% typical for anti‑aging serums).
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Addition: Add to water phase during cool‑down (<40°C).
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pH: Maintain 5.0‑7.0 to preserve copper complex stability.
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Avoid: EDTA, strong oxidants, and acidic conditions (pH<4).
Copper Tripeptide‑1 – The age‑defying signal peptide that restores what time takes away.
