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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
& Davies, D
Commercial GHK-Cu serums typically claim 6-12 month shelf life unopened when properly formulated with preservatives and appropriate pH, dropping to 3-6 months after opening due to air exposure and contamination introduction
Each vial contains 50 mg of lyophilized powder with a verified purity of 98% (HPLC)
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