ghk cu 1 1 GHK-Cu Serum — Professional Copper Tripeptide-1 Anti-Aging & Hair Restoration Treatment for Estheticians, 5x10ml and the results were really impressive GHK-Cu — 55mg | Copper

Suitable for daily use in both professional and home routines, this copper peptide serum supports healthy skin renewal while helping defend against environmental stress

Intersection of iron and copper metabolism in the mammalian intestine and liver

The most common side effects are extremely mild and infrequent, primarily involving occasional skin irritation, mild redness, or transient tingling sensation in a small percentage of users, typically resolving without intervention and not requiring discontinuation

the compound's apparent biological effect at any given concentration reflects the sum of these signals

Usually one is more than enough to clean but it is always good to have an extra in case you drop it