US$ 26.67
brown spots glutathione 7 Dark Spot Serum Patch NAC Glutathione Skin Anti-Agin Acne
Description
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GHK-Cu is a naturally occurring tripeptide composed of three amino acids: Glycine Histidine Lysine When bound with copper ions, it forms the biologically active compound GHK-Cu

Form matters, and so does your reason for using it

Glutathione-Depleting Pro-Oxidant as a Selective Anticancer Therapeutic Agent
