Feature Comparison Primary use GHK Cu: Anti ageing, skin renewal and repair AHK Cu: Hair growth, scalp health and anti ageing Stability GHK Cu: Less stable AHK Cu: More stable with longer lasting activity Collagen support GHK Cu: Supports fibroblasts and elasticity AHK Cu: Supports fibroblasts and extracellular matrix proteins Hair growth GHK Cu: More skin focused AHK Cu: More targeted to hair follicle and scalp applications Best formulations GHK Cu: Serums and creams AHK Cu: Hair serums, scalp tonics and treatments Available forms GHK Cu: Powder and liposomal forms AHK Cu: 99% powder and 7% or 10% liposomal forms
While some users report short-term benefits, the absence of extensive, well-conducted studies prevents us from fully understanding potential long-term risks
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Dr Sandy listens, informs, and provides the needed guidance to keep me feeling my best as I move along the different stages of my life
When to Seek Medical Attention Though many side effects are mild, some need urgent care