does ghk-cu cause water retention A 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 6 week before and
Pay in 4 interest-free payments of $5.26 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4




























