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Any cloudiness, particles, or color change means it's degraded
For US distribution, ensure FDA GMP compliance and proper cosmetic labeling
Can higher concentration cause skin damage
Dosage: 1-2 mg/day subcutaneous injection
GHK-Cu additionally downregulates scar formation and fibrotic processes, suppresses harmful cytokines and signal transduction pathways (such as TGF-?1/Smad), and supports angiogenesis and stem cell differentiation
US$ 20.63
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