GHK-Cu
Copper Tripeptide
Natural copper-binding peptide for skin and anti-aging.
Mechanism of Action
Remodels extracellular matrix, antioxidant.
Key Benefits
- Wrinkle reduction
- Skin tightening
- Hair growth
Common Uses
What to Expect
Onset
Topical skin texture changes in 2–4 weeks; injectable effects can be faster (1–2 weeks)
Duration
Continuous use recommended for ongoing skin benefits; injectable cycles of 4–6 weeks
What Users Report
- Noticeable improvement in skin texture and firmness within 2–3 weeks — skin feels smoother and more supple
- Reduction in fine lines and wrinkles; deeper wrinkles soften over months
- Faster wound healing — cuts, scrapes, and blemishes resolve more quickly
- Improved hair thickness and reduced shedding reported by many users
- Skin develops a healthy, hydrated 'glow' that others comment on
- Injectable form produces more dramatic systemic anti-aging effects compared to topical
- Scars and hyperpigmentation gradually fade with consistent use
Typical Timeline
Weeks 1–2: Skin feels more hydrated and smoother. Weeks 2–4: Fine lines soften; skin firmness improves. Weeks 4–8: Visible reduction in wrinkles; hair quality improves. Months 2–3+: Ongoing collagen remodeling; cumulative anti-aging benefits become significant.
Side Effects
- Rare skin irritation
Dosage Protocol
Topical: 0.1–1% cream daily. Injectable: 1–2 mg subcutaneously daily. Cycles: Continuous for skin; 4–6 weeks injectable.
Always consult a physician before starting any peptide protocol.
Administration
Topical or injection
FDA Status
Category 2 for injectable (potential reclassification 2026)
Stacks Well With
- Epitalon