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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Format options Pre-blended vials (most common: 12.5 mg reta + 2.5 mg cag) or two separate vials
Concentrations used: In cosmetics, GHK-Cu concentrations generally range from 0.1% to 3%
What to look for Third-party testing : HPLC analysis showing purity Mass spectrometry verification Batch-specific COAs 97-99%+ purity Proper form : Lyophilized powder (freeze-dried) Vacuum-sealed vials Proper labeling with batch numbers NOT pre-mixed liquid Copper verification : Lab testing should confirm copper is bound correctly Packaging : Professional, sterile packaging with documentation Check our best peptide vendors guide for vetted sources
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