If your metabolic markers remain stable on a lower dose, that supports tapering
Copper is an important cofactor for enzymes involved in: Collagen cross-linking Antioxidant defense Wound repair Extracellular matrix remodeling GHK-Cu appears to support: Collagen synthesis Elastin production Glycosaminoglycan production Angiogenesis Antioxidant activity Matrix metalloproteinase regulation Why GHK-Cu is popular in aesthetics: GHK-Cu is commonly discussed in skin rejuvenation because it may support skin thickness, elasticity, firmness, wound repair, hair follicle signaling, reduced inflammation, and improved skin texture
Bliss JM, Ford D, Swerdlow AJ, Armstrong BK, Cristofolini M, Elwood JM, et al
Enterohepatic recycling of estrogen and its relevance with female fertility