What it does / how it works
A close copper-tripeptide cousin of GHK-Cu, studied mainly on hair follicles and skin fibroblasts. Same copper-signalling idea, thinner paper trail.
| Class | Copper tripeptide (hair / dermal) |
| Typical vial | 50 or 100 mg |
| Reconstitution | 2–5 mL BAC per 50 mg |
| Storage after mix | 2–8°C, use within 28 days |
Protocol
| Goal | Dose | How often | How long | Route |
| Weeks 1-12 topical | 0.2-0.5 mL of 0.5-1%
solution |
Once daily | 12 weeks | Topical scalp |
| Weeks 1-8 SubQ | 0.5-1.0 mg | Once daily | 8 weeks | SubQ |
| Off | None | Stop | 4 weeks off | – |
Watch: Do not stack high-dose GHK-Cu plus AHK-Cu blindly.