GHK-CuvsSemax
GHK-Cu vs Semax — independent comparison of uses, administration, pricing across providers, and key differences. Last reviewed April 21, 2026.
Quick Verdict
Based on clinical evidence and real patient data
A naturally occurring copper-binding peptide found in human plasma. Declines with age and is used therapeutically for skin rejuvenation, wound healing, and anti-inflammatory effects.
A synthetic peptide derived from adrenocorticotropic hormone (ACTH) fragment 4-10. Developed in Russia for cognitive enhancement and neuroprotection, it modulates BDNF and serotonin levels.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
GHK-Cu vs Semax: At a Glance
Full comparison across all key factors.
| Factor | GHK-Cu | Semax |
|---|---|---|
| Category | recovery | cognitive |
| Also Known As | Copper Peptide, Glycyl-L-histidyl-L-lysine | ACTH 4-10 Analog |
| Administration | Topical or subcutaneous injection | Intranasal spray |
| Prescription | Required | Required |
| Providers | 4 providers | 4 providers |
| Common Uses |
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Data sourced from FDA prescribing information and peer-reviewed clinical trials. Prices reflect telehealth platform costs as of April 21, 2026. See our methodology.
Pricing by Provider
4 providers offer both GHK-Cu and Semax.
| Provider | GHK-Cu | Semax | Consultation | Lab Testing |
|---|---|---|---|---|
 | $35/one-time | $45/one-time | Async Telehealth | No |
 | $145/monthly | $120/monthly | Video Telehealth | Yes |
 | $160/monthly | $140/monthly | Video Telehealth | Yes |
 | $195/monthly | $160/monthly | Video Telehealth | Yes |
Key Differences
GHK-Cu
A naturally occurring copper-binding peptide found in human plasma. Declines with age and is used therapeutically for skin rejuvenation, wound healing, and anti-inflammatory effects.
Semax
A synthetic peptide derived from adrenocorticotropic hormone (ACTH) fragment 4-10. Developed in Russia for cognitive enhancement and neuroprotection, it modulates BDNF and serotonin levels.
Which Is Right for You?
Choose GHK-Cuif…
- You want a recovery medication
- You prefer topical or subcutaneous injection administration
- 4 providers available on our platform
- Your primary goal is skin rejuvenation
- Your primary goal is wound healing
Choose Semaxif…
- You want a cognitive medication
- You prefer intranasal spray administration
- 4 providers available on our platform
- Your primary goal is cognitive enhancement
- Your primary goal is neuroprotection
Frequently Asked Questions
What is the difference between GHK-Cu and Semax?
Which is cheaper, GHK-Cu or Semax?
Can I switch from GHK-Cu to Semax?
Medical Disclaimer
This comparison is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting, stopping, or changing any medication. Individual results may vary. The information presented reflects publicly available data and may not account for your specific health situation.