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Description
GHK-Cu and AHK-Cu copper peptides are effective at increasing hair growth, enlarging hair thickness, and restimulating the hair follicles

PHT Copper Peptide Scalp Activating Ampoules Key Ingredients: GHK-Cu copper peptide, hyaluronic acid, glycyrrhetinic acid, panthenol A popular option in Hong Kong drugstores, focusing on GHK-Cu to enhance follicle vitality and prolong the growth phase
Compare injectable vs oral peptide delivery to understand the bioavailability differences

The difference is the target
