ghk-cu topical vs injection Are We Ready to Measure Skin Permeation of Modern Antiaging GHK–Cu Tripeptide Encapsulated in Liposomes? Fraley What's the difference between

Getting the Most from Topical Copper Peptides If you're going to use copper peptides topically (which we obviously think is the sensible choice), a few factors influence how well they work

doi: 10.1038/s41366-021-00820-7 98 ClemmonsDR

Both are dominated by gastrointestinal adverse events nausea, vomiting, diarrhea, constipation, and abdominal pain that are mostly mild to moderate and concentrate during dose escalation

Puncture the stopper of the BAC water vial with the needle and inject the air into the vial

The concern isn't copper per se but rather the uncertainty about how supplemental copper peptides might affect a developing fetus or nursing infant