Comparison tool
Compare peptides
Pick up to three compounds. Useful for deciding whether two peptides in a stack actually do different things, or whether you're paying twice for the same pathway.
Select up to three (1/3)
| Attribute | |
|---|---|
| Category | Skin & hair |
| Evidence grade | Moderate |
| Also known as | Copper peptide, Glycyl-L-histidyl-L-lysine copper |
| Mechanism | Delivers copper into cells and resets gene expression toward a younger profile, upregulating collagen, elastin and glycosaminoglycan synthesis while activating antioxidant defences and hair-follicle enlargement. |
| Key benefits | Increased collagen and elastin production · Improved skin firmness and reduced fine lines · Hair-follicle stimulation · Accelerated wound healing |
| Side effects | Skin irritation or redness · Copper accumulation with excessive systemic use · Injection-site swelling |
| Half-life | Not applicable topically; short systemically |
| Administration | Topical serum, microneedling adjunct or subcutaneous injection |
| Dosing overview | Topical 1–3% serum daily; injectable protocols vary widely |
| Storage | Cool, dark place; the solution is characteristically deep blue |
| Legal status | Widely available as a cosmetic ingredient; injectable use is unapproved. |
Dosing figures reflect published literature and commonly reported community protocols. They are informational only.