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GHK-Cu (Copper Peptide)

Skin, Hair & CosmeticResearch Use Only

Also known as: Copper Peptide, Glycyl-Histidyl-Lysine copper complex

A copper-carrying peptide naturally found in blood, studied for skin quality, hair, and wound healing.

Dosing quick reference

research reference
Starting dose
1 mg per injection
Frequency
5 days on / 2 off (or Mon-Wed-Fri)
Typical range
1–2 mg per injection
Cycle
8–16 weeks
Titration (step-up)
Wk 1–4: 1 mg → Wk 5–8: 1.5 mg → Wk 9+: 2 mg
Half-life
Short
Route
Subcutaneous or topical (research)
Common use
Skin, hair, and tissue support research
Common vial sizes
50 mg · 100 mg
Storage
Store lyophilized powder frozen or refrigerated; reconstituted solution refrigerated at 2-8°C and used within a few weeks.
Stacking notes
Frequently referenced alongside cosmetic peptides in skin research discussions.

Reported side effects

Injection-site irritationSkin redness with topical use
Calculate a dose →GHK-Cu (Copper Peptide) on The Peptide Guide →Deeper research reference: literature dose ranges, storage and handling, and where to source in Canada.

Dose figures are ranges commonly referenced in research literature, not recommendations or medical advice. Research-only labeling does not establish that a substance is safe, approved or appropriate for personal use. Consult a qualified healthcare professional about health decisions.