If youre playing with raw GHK Cu, heres the secret that makes it actually work on your skin: mix it with hyaluronic acid. , Not microneedling, not fancy devices just a clean HA serum as the GHK Cu Peptide (50mg) Advanced Skin Rejuvenation & Healing Support Neurogan Health Copper Peptide GHK CU , 120 mcg, 60 Tablets, 0.52 oz (15 g) eBay GHK CU (Copper Peptide Serum) NovaNAD+
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