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Gauge refers to diameter (higher numbers are thinner), and 27G balances injection speed with minimal tissue trauma
Typical: about 1 to 2 mg per day subcutaneously Cycle: several weeks on, then a planned break Dose depends on your goal, skin or systemic Route: subcutaneous, reconstituted GHK-Cu Dosing: Five Clinical Facts You Need Before Starting The standard GHK-Cu dosage at Perfect B is 1 mg/day (4 units) for days 1-15, escalating to 2 mg/day (8 units) for days 16-30
Mol Reprod Dev
Journal of Investigative Dermatology, 113(3), 364-368
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