ghk-cu cosmetic/topical InfiniWell, GHK CU, 30 ml Cu works into the skin easily GHK-CU- Cosmetic for Healthy Skin

A 2007 study in Contact Dermatitis even called it an "emerging allergen" so a small subset of people may get redness or irritation from it

Here are some before and after photos after using the eye cream ($68 for 15 ml): Its a little hard to see, and its REALLY difficult to make the exact same eye expression five minutes apart, but my undereye area was noticeably firmer, plumper and more hydrated, and the fine dehydration lines faded away, and the effect was still noticeable the next morning

Its listed focus spans BPC-157, semaglutide, tirzepatide and testosterone therapy

AHK-Cu, or Alanine-Histidine-Lysine-Copper, is a naturally occurring tripeptide complexed with copper that has been investigated for its role in activating copper-dependent enzymatic processes and modulating extracellular matrix proteins involved in tissue structure and repair