GHK-Cu
Glycine-Histidine-Lysine-Copper — the original beauty peptide for collagen synthesis, skin regeneration, and anti-aging.
Category
Skin & Anti-Aging
Frequency
Daily (injectable) or 2x daily (topical)
Research
Preclinical + Cosmetic UseWhat is GHK-Cu?
GHK-Cu (Glycine-Histidine-Lysine Copper) is a naturally occurring copper-binding tripeptide found in human blood plasma, urine, and saliva. Levels of GHK-Cu decline with age — from approximately 200ng/ml at age 20 to 80ng/ml by age 60 — which correlates with the age-related decline in skin integrity and wound healing capacity.
It is known as "the glow peptide" in biohacking circles for its remarkable effects on skin quality, collagen production, and wound healing. GHK-Cu is one of the most studied peptides in dermatology and has been used in cosmetic formulations for decades.
Beyond cosmetics, injectable GHK-Cu has shown systemic anti-aging effects in research — activating over 4,000 genes involved in regeneration while suppressing over 2,000 genes associated with inflammation, cancer progression, and tissue destruction.
How It Works
Collagen Synthesis: GHK-Cu strongly stimulates collagen production in skin fibroblasts. Collagen is the structural protein responsible for skin firmness, elasticity, and the reduction of wrinkles.
Antioxidant Activity: The copper component (Cu) enables GHK-Cu to act as a powerful antioxidant, neutralizing free radicals that accelerate skin aging.
Gene Regulation: GHK-Cu modulates over 4,000 human genes — activating regenerative pathways and suppressing inflammatory and degenerative ones. This is what makes it uniquely systemic in its anti-aging effects.
Wound Healing: GHK-Cu accelerates wound healing by attracting immune cells, promoting blood vessel growth, and activating stem cells in the skin.
Benefits
- Dramatically improved skin texture, tone, and elasticity
- Reduction in fine lines and wrinkles
- Stimulation of collagen and elastin synthesis
- Hair follicle activation and hair thickening
- Wound healing acceleration
- Systemic anti-inflammatory effects (injectable)
- Potential anti-cancer gene suppression
- Liver cell protection
Dosing Protocol
| Phase | Dose | Frequency | Duration |
|---|---|---|---|
| Injectable | 1–2mg | Once daily SC | 4–8 weeks |
| Topical (face) | 2–3 drops | 2x daily after cleansing | Ongoing |
| Topical (scalp) | 5–10 drops | Once daily | 3+ months |
Always start at the lowest effective dose and titrate up gradually.
Side Effects
Common
- ⚠Topical: mild redness or irritation in first week (skin adapting)
- ⚠Injectable: injection site discoloration (temporary blue-gray from copper)
- ⚠Skin "purging" in first 2 weeks (old skin cells clearing)
Rare
- •Allergic reaction to copper (very rare)
- •Overuse can cause skin copper accumulation with orange tint (avoid >2mg/day injectable)
Who Should NOT Use GHK-Cu
- ✕Known copper allergy
- ✕Wilson's disease (copper metabolism disorder)
- ✕Active skin infections at application site
What to Expect
Skin may experience a "purge" as cell turnover increases. Some redness with topical. Injectable users may see minor discoloration at injection site.
Skin texture noticeably smoother. Tone more even. Fine lines beginning to reduce. Hair users may notice reduced shedding.
Significant collagen visually apparent — skin firmer and more youthful. Hair thickening evident. Most dramatic results period.
Results plateau but maintain with continued use. Many use GHK-Cu indefinitely as part of skin maintenance.
FAQ
Q: Injectable vs topical GHK-Cu — which is better?
A: Topical is sufficient for most skin goals and is simpler to use. Injectable GHK-Cu provides systemic effects beyond skin (gene regulation, anti-aging, inflammation) but is more complex. Many serious biohackers use both.
Q: Can I use GHK-Cu serum on my face daily?
A: Yes. Most GHK-Cu serums are designed for daily use. Apply to clean, slightly damp skin. Start every other day if you have sensitive skin and work up to daily use.
Q: Does GHK-Cu work for hair loss?
A: GHK-Cu activates hair follicle stem cells and has shown results in studies for hair thickening. It works through a different mechanism than minoxidil or finasteride and can be used alongside them. Results take 3+ months.
Where to Get GHK-Cu in Vietnam
See our community-verified supplier list with COA verification and cold-chain shipping to Vietnam.
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