truebasics glutathione Collagen Skin with L-Glutathione, Collagen Peptides, Biotin, Vitamin C & Vitamin E, for Wrinkle Reduction, Anti Ageing, Healthy Skin & Hair, Clinically Researched (Unflavoured, 30 No) Quantity:5 Pack 5-mthf supplement Copper–GHK increases integrin expression

truebasics glutathione Collagen Skin with L-Glutathione, Collagen Peptides, Biotin, Vitamin C & Vitamin E, for Wrinkle Reduction, Anti Ageing, Healthy Skin & Hair, Clinically Researched (Unflavoured, 30 No) Quantity:5 Pack 5-mthf supplement Copper–GHK increases integrin expression

Copper–GHK increases integrin expression and p63 positivity by keratinocytes | Archives of Dermatological Research | Springer Nature Link

Such information does not constitute evidence of safety, effectiveness, or suitability for use in living subjects outside properly approved research protocols

5-mthf supplement

Quantity:5 Pack

The short answer is that general subcutaneous injection education usually points to the abdomen, outer thigh, and upper arm, but that does not make injectable GHK-Cu an approved medication or a safe self-treatment