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Consistent application under supervision enhances skin health, firmness, and radiance over time
100 mg / 5 mL = 20 mg/mL 2,000 mcg / 20,000 mcg per mL = 0.1 mL = 10 U-100 units A stronger vial keeps the same dose at a smaller volume Topical vs injectable framing Topical GHK-Cu products are typically pre-formulated and do not require this math
10.1093/brain/aws322 75 JohnsonV
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