The world of skincare and aesthetic research is, to put it mildly, a sprawling and often confusing landscape. Every year, a new 'miracle' ingredient emerges, promising to tur…
A naturally occurring tripeptide found in human plasma, GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) drops significantly with age — levels fall from roughly 200 ng/mL a…
How to Use GHK-Cu for Skin Rejuvenation Protocol A 2022 study published in the Journal of Cosmetic Dermatology found that topical GHK-Cu increased collagen production by 70% …