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Store lyophilized vials in the original amber glass or dark packaging, away from any direct or indirect light source including natural window light

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20 mg total peptide per vial (10 mg + 10 mg) Purity: 99% (HPLC verified, each component) Container: sealed glass vial (lyophilized powder) Certificate of Analysis: lot-specific COA available, with separate purity and identity verification for both component peptides See the FDA Disclosure, Storage Instructions, and RUO tabs for handling, storage, and regulatory information

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GHK-Cu also strengthens the scalp, increases the size of hair follicles, promotes a strong hair structure, and increases the production of collagen

Ethics declarations Competing interests M.D.P