Krall SC, Rottschy C, Oberwelland E, Bzdok D, Fox PT, Eickhoff SB, et al
It doesnt last for long though, so you do need to get more often
Not for use in humans or animals.
Stop and Seek Help If Any signs of allergic reactionstop immediately and get medical help Persistent metallic taste that doesn't go away (possible copper excess) Injection site reactions that spread, worsen, or show signs of infection Nausea or stomach upset that persists beyond the first few days Unusual skin discoloration away from injection sites Your treatment goals have been achieved and you're in maintenance mode GHK-Cu is a research compound, not an FDA-approved medication
IV 600-1200mg weekly once is recommended for skin lightening
Some studies observe how it interacts with tumor development markers, but only in controlled lab models