how often should i pin ghk cu A GHK-Cu face serum appears blue because the active ingredient, “GHK-Cu” (copper peptide), is naturally a blue-colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue GHK-Cu Dosage Chart: 100 mg
Pay in 4 interest-free payments of $7.25 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16




























