Well, the answer depends on the reason you want to inject, and on the frequency and duration you plan to inject for
Gentle Yet Effective Rejuvenation: Our 2% GHK-Cu Serum provides a balanced approach to skin revitalization, ideal for consistent daily use and those with dry or sensitive skin
In addition to being used for liquid medicine injections, this device is suitable for administering various medications, including growth hormone, liquid medicine, antibiotics, interferon, beauty products, biochemical emergency prevention, hemostatic pain relief, first aid for heart disease, detoxification, antipyretic analgesics, anesthetic sedatives, and more
occasional acne or flushing can occur in sensitive individuals
They are vitamin B6 and vitamin B12