Amazon.com: Copper Peptides GHK Cu Hydra Serum with Hyaluronic Acid Facial Serum for Tightening, Collagen Support, Renewing, Elasticity & Smooth Youthful Looking Skin (30ml 1fl.oz) : Beauty & Personal Care 7% GHK CU ACCELERANT ANAIRUI Copper Peptides GHK Cu Serum 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
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mixing ghk cu with hyaluronic acid Synergy of GHK‐Cu and hyaluronic acid on collagen IV upregulation via fibroblast and ex‐vivo skin tests - Jiang - 2023 - Journal of Cosmetic Dermatology