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Frequency: Once per day (subcutaneous), typically before bedtime

Description Copper tripeptide research material (Gly-His-LysCu) for cosmetic formulation & in-vitro studies Research Application Focus GHK-Cu Cosmetic Powder is supplied for controlled cosmetic R&D and bench studies, including peptideexcipient compatibility, antioxidant/metal-complex behavior, and prototype stability testing by qualified personnel

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