Ingredient or product comparison
GHK-Cu Women 35-45: Formulation Comparison
Topical (non-liposomal) 0.05–0.1% Stratum corneum only Twice daily 12+ weeks Low bioavailability. Requires consistent long-term use for measurable effect Topical (liposomal) Viable epidermis + upper dermis 8–10 weeks Improved penetration over standard formulat
This source-based comparison does not add ratings or recommend a winner.
- Topical (non-liposomal)
- 0.05–0.1%
- Stratum corneum only
- Twice daily
- 12+ weeks
- Low bioavailability. Requires consistent long-term use for measurable effect
- Topical (liposomal)
- Viable epidermis + upper dermis
- 8–10 weeks
- Improved penetration over standard formulations. Best non-invasive option
- Subcutaneous injection
- 2–5 mg per site
- Direct dermal delivery
- Weekly for 4–8 weeks
- 4–6 weeks
- Fastest onset and highest bioavailability. Requires sterile technique and proper storage
- Microneedling + topical
- 0.1–0.5% applied post-needling
- Mid-dermis
- Monthly sessions
- 6–8 weeks
- Combines mechanical remodeling with peptide delivery. Professional administration required