GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B One reused syringe. Lifelong consequences. Watch the syringe being opened in front of you Ensure hands are clean Skin must be cleaned with an alcohol swab No shared GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Reusing needles and syringes puts you at risk for infections and contributes to the spread of diseases. Always choose a new needle and syringe to ensure safe and effective treatment. Be safe,