Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu DAILY SPOTLIGHT GHK Cu 200mg from Peptide Partners. GHK Cu is the copper tripeptide biohackers reach for when skin, scalp, and wound repair all need a single upstream signal. Endogenous in healthy human I didnt expect much when I started using GHK Cu but after 6 months, I get it., Heres what Ive noticed:, My skin feels tighter and smoother, That crepey look? Way less noticeable, Fine