Peptide therapy Skin and longevity

GHK-Cu Copper tripeptide

What it is, what people take it for, and how it works, in plain language.

Updated October 2026Further reading

What is GHK-Cu?

A small copper-binding peptide found naturally in blood plasma, saliva and urine, with levels that fall with age. Best known from skin care.

What do people take GHK-Cu for?

Skin, hair and wound healing.

How does GHK-Cu work?

It binds copper, and is studied for its role in skin repair and collagen.

Should I talk to a physician about GHK-Cu?

If you are considering it, or already using it, a physician can look at your history, your labs and your goals, and at what else might explain what you are hoping to change. At Aether Medicine in King of Prussia, near Philadelphia, or by video for patients in Pennsylvania.

Or call 484-806-1101

Further reading

  1. Pickart L, et al. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. Biomed Res Int. 2015. doi.org/10.1155/2015/648108
  2. Mulder GD, et al. Enhanced healing of ulcers in patients with diabetes by topical treatment with glycyl-l-histidyl-l-lysine copper. Wound Repair Regen. 1994. doi.org/10.1046/j.1524-475X.1994.20406.x

Educational information only, not medical advice. Reading this page does not create a physician-patient relationship.

Curious about GHK-Cu?Talk to a physician about your goals. No payment online.