ghk cu acne clinical trial GHK-Cu Peptide Reduce Appearance of Fine Lines GHK-Cu Repairing Serum 30ml

doi: 10.1210/jcem.86.4.7394 39 GermanASuraiyaSTenenbaum-RakoverYKorenIPillarGHochbergZ

Specific peptide precautions include avoiding copper peptides during pregnancy and breastfeeding due to uncertain copper exposure effects, exercising caution with brightening actives if history of ocular sensitivity exists, and avoiding mixing multiple active ingredients simultaneously around eyes until individual tolerance confirms

doi: 10.1016/s0014-2999(99)00486-0

They are short chains of amino acids that can have various biological functions, while steroids are a different class of compounds with distinct effects

Wilson's disease or other copper-handling disorders: GHK-Cu delivers bioavailable copper

JA Press Inc: Greenwich, Connecticut,1993, p 1 73