Ingredient or product comparison
GHK-Cu Hair Loss Copper Peptide Regrowth: Types and Formulations Comparison
Topical Serum (water-based) 1–2% Dropper application twice daily Degrades in 60–90 days post-opening $40–70 Best for consistent daily users; requires refrigeration after opening Liposomal Serum Dropper or spray application Stable 120+ days at room temperature
This source-based comparison does not add ratings or recommend a winner.
- Topical Serum (water-based)
- 1–2%
- Dropper application twice daily
- Degrades in 60–90 days post-opening
- $40–70
- Best for consistent daily users; requires refrigeration after opening
- Liposomal Serum
- Dropper or spray application
- Stable 120+ days at room temperature
- $80–120
- Higher upfront cost justified by peptide preservation. Ideal for travel or inconsistent schedules
- Subcutaneous Injection (research-grade)
- 0.5–1 mg per dose
- Weekly or biweekly injection
- Lyophilized powder stable 12+ months at −20°C
- $60–100
- Systemic delivery bypasses scalp absorption barriers; used in clinical research protocols
- Microneedling + Topical Combination
- 2–3% applied immediately post-needling
- Dermaroller (0.5–1.0 mm) + serum
- Single-use vials prevent contamination
- $90–140 (includes microneedling device)
- Maximum penetration depth. Clinical data shows 40–50% better follicular uptake than serum alone