ghk-cu hair growth randomized trial copper peptide clinical study human GHK (2016) — Research Summary ghk-cu copper peptide hair growth – Works synergistically with shampoo to support long copper peptide ghk-cu hair growth
Pay in 4 interest-free payments of $5.28 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 15 - Oct 20



























