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GHK-Cu: Injectable formulations are now on the FDA's Category 2 bulk drug substances list as of 2026, meaning compounding pharmacies cannot legally compound it for injection
You might feel a slight sting when the needle is inserted, but the process is extremely quick and your comfort is prioritized
Long-term human safety data are not yet established
Health product complaints can be directed to Health Canada's compliance directorate at 1-800-267-9675
Is GHK-Cu serum safe for sensitive skin
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