Skin & Anti-Aging
GHK-Cu
Skin quality, collagen, and hair
Quick answer
A 50 mg vial with 2.5 mL of water makes 20 mg/mL. A 1 mg dose is 5 units. Once a day or every other day, 8 to 12 weeks.
- Mix it
- 50 mg vial + 2.5 mL water
- Draw
- About 5 units on a U-100 syringe
- How often
- Once a day, or every other day
- Store it
- Refrigerate and keep out of light. Use within about 4 weeks.
What it is
GHK-Cu is a small peptide that carries a copper atom. Research looks at collagen production, skin firmness, wound healing, and hair follicle activity.
Most used for
- Collagen and skin firmness
- Fine lines
- Scar and wound appearance
- Hair thickness
These are things researchers study. They are not promised results.
Dosing at a glance
These are the amounts used most often in research. Always start at the low end.
- Vial size
- 50 mg or 100 mg
- Dose range
- 1 mg to 2 mg per dose
- How often
- Once a day, or every other day
- Cycle length
- 8 to 12 weeks
- Mix with
- Bacteriostatic water (also called bac water or reconstitution solution).
- Storage
- Refrigerate and keep out of light. Use within about 4 weeks.
Mixing it
A common setup for GHK-Cu is a 50 mg vial with 2.5 mL of bac water.
That makes 20 mg per mL. A 1 mg dose is about 5 units on a standard insulin syringe.
Bacteriostatic water is all you need here. Acetic acid is only for powders that will not dissolve. See the mixing guide.
Open the peptide reconstitution calculator