What is GHK-Cu?
Occurs naturally in the blood and declines with age. In cosmetics it is supposed to improve collagen production and the appearance of the skin.
How well studied is GHK-Cu?
Small studies of topical use on the skin, with positive effects on wrinkles and skin density. There are no safety studies on injecting it.
What side effects and risks does GHK-Cu have?
Usually well tolerated when applied to the skin. When injected: reactions at the injection site, unclear effects of copper in the body.
Is GHK-Cu approved in Germany?
In short: no. Permitted as a cosmetic ingredient in creams, not approved as a medicine.
Note: We deliberately do not list any doses here. For approved medicines, your doctor sets the dose; for unapproved substances there is no reliable information.