Always use low-binding microcentrifuge tubes and pipette tips (siliconized or polypropylene) when handling dilute solutions below 10 mcg/mL, as surface adsorption can reduce effective concentrations by 20-50% in standard labware
Start low, go slow: Begin with 23 drops applied to clean, damp skin once daily
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iScience 16 , 326339 (2019)
Featured Image Alt Text: GHK-Cu peptide scientific evidence map showing skin, collagen, wound healing, hair research, safety, and regulatory context
Packaged in 10ml vials and sold individually or in packages of 5,10 or 20 vials