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J Appl Physiol (1985) 110(3):774780 Chang CH, Tsai WC, Hsu YH, Pang JH (2014) Pentadecapeptide BPC 157 enhances the growth hormone receptor expression in tendon fibroblasts

Commercial copper peptide serums (skincare products) Popular brands (The Ordinary, SkinCeuticals, Drunk Elephant, etc.): Follow manufacturer instructions (usually room temp) Refrigeration after opening extends life Keep away from heat and light Bathroom storage often too warm and humid High-concentration copper peptide serums: More sensitive to degradation Refrigeration strongly recommended Watch for color changes (indicates oxidation) Low-concentration products: More stable (less copper to oxidize) Room temp usually fine Refrigeration still beneficial Copper peptide + hyaluronic acid combinations Many products combine copper peptides with hyaluronic acid

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