In the world of dermatology, few ingredients have as much staying power as GHK-Cu. First discovered in the 1970s, this copper-binding peptide is a staple for those looking to maintain skin elasticity and collagen density without the harsh irritation often caused by retinoids.

As we age, the concentration of GHK-Cu in our plasma naturally declines. This drop is often reflected in slower skin healing and a loss of firmness. By supporting the production of glycosaminoglycans and collagen, GHK-Cu acts as a signal to the skin to “behave younger.” Whether you are looking into topical serums or more direct applications, this peptide represents one of the most well-documented intersections between biology and aesthetics.