Your best bet is to follow the recommended dosage on the packaging, in conjunction with guidance from your doctor or a registered dietitian, Sheth says
A clear, deep azure-blue solution is the expected appearance after a correct reconstitution
Biomater Res
Scalp health improvements include enhanced blood flow to hair follicles, reduced inflammation that can contribute to hair loss, and improved delivery of nutrients essential for hair growth
Am J Phys 276:R929R934 Wen Y, Yang C, Menez SP, Rosenberg AZ, Parikh CR (2020) A systematic review of clinical characteristics and histologic descriptions of acute tubular injury
Apply GHK-Cu serum or cream to the face, neck, and areas with fine lines or pigmentation