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GHK-Cu CORE

  • Concentrated GHK-Cu formulation for skin renewal
A 100 mg concentrate of GHK-Cu — a highly bioavailable copper peptide — developed for intensive support of skin renewal, collagen production, and skin vitality, with direct action on the mechanisms of cellular regeneration and tissue repair. The solution has the characteristic blue color of the copper-peptide complex. Each pen contains 100 mg of GHK-Cu in 3 ml of sterile solution.
Benefits
  • Skin renewal and regeneration
  • Stimulates collagen production
  • Skin vitality and elasticity
  • Antioxidant action
  • High concentration — 100 mg per pen
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01Composition

Pure copper
peptide.

Concentrated formula100 mg total · 3 ml

Each prefilled Zenyx® GHK-Cu CORE™ pen contains 3 ml of blue sterile solution, providing 5 full doses of 0.6 ml. A concentrated formulation for skin renewal and collagen production. pH 6.5–7.5.

→ Per-pen content
  • 100 mg GHK-Cu
  • 20 mg per dose (0.6 ml)
  • 5 full doses
  • 0.333 mg per click
02Dosage

Daily
administration.

Daily administration300 clicks per pen

Administered once daily. Start with the initial dose and progress to the standard protocol under professional guidance.

⚠ Do not exceed 15 clicks in any 24-h period.

→ Daily protocol
  • Initial (wk 1–2): 8 clicks · 2.5 mg
  • Standard: 15 clicks · 5 mg
  • Maximum: 15 clicks · 5 mg
03Contraindications

When not
to use.

Usage restrictionsBefore starting

Do not use Zenyx® GHK-Cu CORE™ in case of allergy to GHK-Cu or any component of the formula, nor in cases of a prior severe allergic reaction to injectable peptide therapies. Use with caution in people sensitive to copper compounds.

→ Do not use if
  • Allergy to GHK-Cu or excipients
  • Prior severe reaction to injectable peptides
  • Sensitivity to copper compounds
  • Cloudy solution or with particles
  • Pregnancy, breastfeeding, or < 18 years
04Side Effects

What may
happen.

Observed reactionsMostly mild and local

Like any injectable medication, it may cause side effects — mostly mild and local. In case of severe symptoms, seek immediate medical attention.

→ By frequency
  • Very common: redness, mild swelling, local warmth
  • Common: itching, tight skin, bruising, headache, fatigue
  • Uncommon: nausea, dizziness, local inflammation
  • Rare: allergic reaction, nodules, persistent swelling
  • Very rare: hypersensitivity, rash, shortness of breath
05Storage

Proper
storage.

StorageEssential care

Before first use: 2 °C – 8 °C (refrigerated).
After first use: below 25 °C.

→ Precautions
  • Protect from direct sunlight
  • Do not freeze under any circumstances
  • Discard 12 weeks after first use
  • Never store with the needle attached
  • Keep out of reach of children