For a long time, the concept of rejuvenation was mainly associated with visible results, such as smoothing wrinkles, improving sagging, restoring volume, and making skin more even. In recent years, however, the discussion has also come to include processes that occur within the tissues, which has opened space for new ingredients and approaches.
It is in this scenario that GHK-Cu, a copper-binding peptide, has gained prominence in beauty and longevity discussions. The ingredient appears in skin products and has also begun to be discussed in strategies beyond skincare, including oral and injectable versions.
The interest in GHK-Cu is related to studies that investigate its participation in processes linked to tissue repair, collagen production, and skin organization. However, the popularity of the active ingredient does not mean that all these applications have the same scientific backing.
The discussion about facial rejuvenation has also been fueled by debates about celebrities' faces, which have raised questions about the boundaries between subtle procedures and more visible results.
