The Science Behind GHK-Cu 50mg Product Name: GHK-Cu Strength: 50mg Chemical Name: Copper Tripeptide Glycyl-L-Histidyl-L-Lysine Complex CAS Number: 89030-95-5 Molecular Formula: CHCuNO Molecular Weight: 401.91 g/mol Amino Acid Sequence: Gly-His-Lys Appearance: Blue-Purple Lyophilized Powder Classification: Peptide-Metal Research Compound Purity: Verified by analytical testing prior to release Analytical Methods: HPLC, Mass Spectrometry (MS)
Topical GHK-Cu serum shelf life Pre-made commercial serums: Usually 6-12 months unopened 3-6 months after opening Check manufacturer recommendations Refrigerate after opening extends life DIY serums (mixing powder with carrier): Shorter shelf life than commercial 2-4 weeks typical (no preservatives) Must refrigerate Discard if color changes Factors affecting topical shelf life: Preservatives: Extend significantly pH: Neutral pH more stable Carrier: Some better than others (hyaluronic acid, glycerin good) Storage: Cool, dark, sealed Contamination: Sterile technique critical Best practices for topical GHK-Cu: Buy small bottles (use within 3-6 months) Refrigerate after opening Don't double-dip (pour into hand, don't touch dropper to skin) Watch for color changes (brown = oxidized) Replace every 6 months even if looks fine See our how to reconstitute peptides , bacteriostatic water for peptides , and how long reconstituted peptides last in fridge
These baby hairs gradually thicken over subsequent months
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After injections the decline is slower, and a level can stay above the reference range for six months or more after the last dose
