ghk-cu serum ingredients list Copper Peptide 1% Conc. Hair and Skin - Boost Collagen *BEST VALUE! including sensitive skin. PDRN GHK-Cu Serum for Firming
Description
Ehrlich HP, et al
In skin care products, the concentration control of blue copper peptide (GHK-Cu) is crucial to its effect
If youre not noticing changes after 16 weeks of consistent use plus sunscreen and other basics, the marginal benefit for you is probably small
Metformin users should start at a lower dose
If symptoms persist, discontinue use and consult a healthcare professional
Figure S3
