ghk-cu creme Peptide Skin Cream for Women: Anti-Aging & Repair certified and made with high GHK-CU Crepey Skin Escape

However, this was an in-vitro (petri dish) study

Advanced delivery systems using ionic liquid microemulsion achieved hair follicle entry into early growth stages in 6 days versus 8 days for standard GHK-Cu and 9 days for minoxidil, representing 3-fold improved local delivery

But since peptide coupling agents are described as immune sensitizers, it stands to reason that the risk even if its small exists for everyone.18 Copper peptide uglies Anecdotal reports suggest that some people may experience worsened skin aging, instead of anti-aging, after using products with GHK-Cu, a rare concern dubbed copper peptide uglies. While this isnt necessarily a safety issue, it is a (again, rare) potential negative effect of using copper peptide products

You can take the latter orally, and is suited for treating intestinal and stomach problems